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Science Writing #1 Universe

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big_bang.ppt
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Universe Size and Scale -- Know Your Galactic Address


On the board
    
Comprehending the size of the universe is incredibly difficult. This project will help you understand the vastness of space Gloop Glork, a friend in a distant galaxy wants to send you a letter about her trip to a black hole. A regular address has only three or four lines. Due to the great distance, the address has to be specific so the letter can get to you.

PROCEDURE:
  1. Students put together their galactic address beginning with the seat in the classroom and ending with our galactic supercluster. 
  2. Complete your Galactic Address maps 1 through 8. Next, fill in your address from the answers found on each map on the envelope.

galacticaddress.pdf
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galactic_address.docx
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Universe is History

Talk to your neighbor for 1 minute and answer these:

•Where would astronomers need to look to find galaxies in their earliest stages of life (babies)?
•
Where would we find galaxies in their later stages (senior citizens)?
Universe is History

Light Travel Times

Light Travel Times

The universe is weird, expanding, and explained by the Big Bang Theory

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Students took guided notes on the Big Bang Theory.

Strong lines of evidence include:


unit_5_universe_objectives_part_one.doc
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Expanding Universe Outline

the_big_bang_theory.pptx
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expandinguniverse.pptx
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universe_guided_notes.doc
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Cosmic Microwave Background Radiation

http://blogs.nature.com/nyc/2012/06/05/a-baby-picture-of-the-universe
6 Bizarre Things About The CMB

Find Someone who...

find_someone_who_-_the_universe.pdf
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http://history.cpet.ufl.edu/siftguide/astro.htm

Ballooniverse

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Ballooniverse Demo
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Ballooniverse Alternate Activity: http://www.planetseed.com/laboratory/experiment-expanding-balloon
http://hmxearthscience.com/universe.html
Ballooniverse Activity
Outline Alternatives
the_expanding_universe.ppt
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Warping of Space

A new set of breathtaking photos reveals a never-before-seen deep view of the universe.
Released as the first "Frontier Fields" view from NASA's Hubble Space Telescope, the new images mark the deepest-ever observations of a cluster of galaxies. The photos center on Abell 2744, a group of several hundred galaxies 3.5 billion light-years away from Earth.
The images also capture background galaxies more than 12 billion light-years away, whose light has been magnified and brightened by the immense gravity of Abell 2744 in a phenomenon known as gravitational lensing, researchers said.

http://www.nasa.gov/content/hubble-frontier-field-abell-2744/#.UtAdEft0nKc


Timeline of the Universe

Something you should try- http://www.johnkyrk.com/evolution.html. It’s a timeline from the big bang up to the Protozoic Era. The animations are eye catching, and it’s a breeze to use. Loading times may be slow due to all of the different pictures you’ll see, but it’s well worth it. Credit goes to John Kyrk.
Timeline of the Universe

Galaxy Types

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The Milky Way galaxy is not the only galaxy in the Universe. Edwin Hubble showed in the 1930's that there are many galaxies composed of billions of stars well outside the Milky Way.

Galaxies have certain features in common. Gravity holds the billions of stars together, and the densest region is in the center, called a core or bulge. All galaxies have a faint outer region or envelope and a mysterious dark matter halo or bubble. Some galaxies including our own have spiral or pinwheel arms. Nearly every galaxy contains a super massive black hole at the center.

Galaxies Outline

galaxies.ppt
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galaxy_vocab.doc
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Vocabulary

universe_vocab.doc
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 Galaxy Classification Practice

  1. Complete Galaxy Venn Diagram using fact sheet.

  2. Students practiced using actual images of galaxies
galaxy_types.ppt
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galaxy_compare.docx
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galaxysort_pics.pdf
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http://hmxearthscience.com/galaxies_and_stars.html

 Galaxy Type Practice #1

galaxy_foldable.doc
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galaxies_venn.docx
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classifying_galaxies.doc
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 Galaxy Type Practice Option #2

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Do some citizen science by classifying actual Hubble data
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This flowchart can help to classify
The following website is needed for the classifying galaxies for today's activity:
http://cse.ssl.berkeley.edu/SegwayEd/lessons/classifying_galaxies/student1.htm

Universe and Galaxy Reading Passage

Universe Reading Passage
create-your-own-galaxy-project.doc
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Students completed a viewing guide on galaxies
How the Universe Works - Galaxies (part 1 of 3)

How the Universe Works - Galaxies (part 2 of 3)
How the Universe Works - Galaxies (part 3 of 3)

In this episode scientists talk about the estimated 200 billion galaxies in the known Universe and explains where galaxies came from, how they work, what's their future and how they will die.

Universe and Galaxies Quiz Part 2 Review

Big Bang
Cosmic Zoom

Intro to Star Life Cycles

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Star Life Cycle Reading Passage

Star Reading Passage

Star Guided Outline #1  Star Birth

star_life_cycle_guided_outline_one.doc
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star_life_cycle_part_one.ppt
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Star Life Cycle Diagram

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Click to see this
beautiful star cluster
  1. Content: Explore the evolution and life cycle of medium and large mass stars.
  2. Language Purpose: Use scientific vocabulary terms such as stellar, protostar, nebula, black hole, red giant, supernova, and white dwarf.
  3.    Outcome: Work with shoulder partner to create a graphic organizer, differentiating the life cycles of medium mass and large mass stars.

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Student creates a diagram illustrating the life cycle of massive and average sized stars.
Illustration of stages and labeling of stages are important

 Star Life Cycle Diagram Day Two

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Student creates a diagram illustrating the life cycle of massive and average sized stars.
Descriptions of stages are added today


star_evolution.ppt
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star_birth.ppt
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star_birth_vocab.doc
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Star Life Cycle

Star Life Cycle Interactive
Supernova Demo
Life Cycle Interactive Handout
Life Cycle Concept Map One
death_of_a_star.ppt
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Death of a Star

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Nuclear Fusion
  • is the joining of light nuclei to form a larger nucleus.
  • releases more energy than fission.
  • powers stars.

    Directions: Students recreate nuclear fusion via a cut out puzzle.

nuclear_fusion_puzzle.docx
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Cosmos--Sisters of the Sun

Sisters of the Sun
Students take guided notes from the new Cosmos series.
Notes deal with star life cycles.
Notable stars featured: The Pleiades cluster, Eta Carinae, and Rigel.


cosmos_episode_8_sisters.docx
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HR Diagrams

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Source: http://lcogt.net/files/jbarton/HR%20Diagram(units).jpg

Learning Targets

  • Classify stars based on their color, temperature, and luminosity.
  • Identify relationships between different star characteristics.
  • Explain the relationships illustrated by an H-R diagram.
  • Describe characteristics of main sequence, giant, supergiant, and white dwarf stars.
  • Use an H-R diagram to categorize a star and describe a star’s life cycle.
Stars can be arranged according to their luminosity and temperature on a diagram. The current age and evolutionary state of a particular star can be determined by using this diagram.

  Activity sheet contains two activities:
  • Activity A – Students determine the relationship between a star’s color and temperature.
  • Activity C – Students create and interpret an H-R diagram.
HR Diagram Activity

Interactive

We have animated the HR diagram to help you understand how a star changes throughout its life. In this animation, a star will move throughout the diagram. DO NOT BE DECEIVED! The star does not physically zip around the universe as it ages. The star physically stays in the same location, but the movement is to show how luminosity (brightness) and surface temperature change with star age. Remember, it’s a diagram, not a star map.

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This animated version shows how a star's brightness and surface temperature are measured throughout its life cycle.
   Click the picture to view the activity.

Stars and Personality? Is astrology a science or pseudoscience?

We read and discussed a Relatively Interesting article on astrology.      
Students predicted what the world would be like if astrology were
What would the world be like if it did work?
astrology_class_reading_passage.doc
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Do horoscopes really all just say the same thing? 22,000 horoscopes were analyzed with an online tool called TagCrowd to find the most common words.  The data we used to create a meta-chart or graphic. Analysis revealed that the bulk of the words in horoscopes (at least 90%) were actually the same. In fact the most common words could be combined to write a generic prediction.

Challenge Question: What are some characteristics indicating something may be pseudoscience?

Stars Presentation

Researching the Stars
Researching the Stars Poster Rubric

Nuclear Fusion

Nuclear Fusion in Stars

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Nuclear Fusion in Stars
How does the nuclear fusion process work in stellar cores? What are its initial starting particles? What is the difference between fusion and fission?

Read this article to get answers to all these questions in a simple and comprehensive manner. In the process you will know how the fusion process in stars is related to creation of life on earth.

Read more at Buzzle: http://www.buzzle.com/articles/nuclear-fusion-in-stars.html

Guided  Outline

nuclear_fusion.ppt
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nuclear_fusion_vocab.doc
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How Many Stars Are There?

How Many Stars Are There?

Star Characteristics Reading Passage

Star Characteristics Passage

Unit Seven Objectives and Quiz Review

unit_seven_objectives_stars.doc
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What would happen if the sun explodes?

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Common student question: What would happen if the sun exploded?

The good news is that our Sun will never explode (even though more massive stars can and do). The Sun is big for a star, but just isn't massive enough to fuse anything past helium in its core. More massive stars can continue nuclear fusion until they make the element iron. This creates an unstable core which will then explode in a supernova explosion.  So what would happen if our sun did somehow manage to explode?

Go to this link and read this article.
Learn why these items are not threats to the world - or are they?:    Alignment    Polar Shift    Supernova    Volcanoes        Solar Storms
In the movie 2012 there were 2 times that they had to fly their plane fast to escape being destroyed.  Play this game and see if you can pilot your way out of harm.
After an alien attack the world is now an unfriendly place.  You will have an armored suit and must defend against aliens and robots in Robot Rampage
Another favorite is Bullethead
Or maybe you could be Obama and defend the world against aliens in Obama Alien Defense

Space Research Team Competition Day One

Search on the internet to find these answers? Nasa has the best answers.  Sometimes Wikipedia is good too.
Submit your answers on a document to the class website to turn in.
Stars1. What is the name of the nearest star(not the Sun)?  How far way is it?2. Does the nearest star have planets?3. What is the name and size of the largest star?
Galaxies4. What is the name of the farthest galaxy? How far is it?5. What is the name of the closest galaxy?  How far is it?6. What is the name of the largest known galaxy?  How far away is it?7. What is the name of the smallest galaxy?  How far away is it?
Nebulas8. What is the closest nebula?  How far away is it? What constellation is it in?
Planets9. What is the largest known planet? What star does it orbit? How far way is it? 10. What is the name of the smallest known planet? How far away is it?
Hubble Telescope11. What is the Hubble Telescope?12. Where is it?13. Why is it not on Earth(something about the atmosphere)14. How long will it be in use?
All teams: Use this site to locate the crater that is most easily identified from space?     Zoom in on at least 5 craters around the world.  See how craters are preserved in deserts v. vegetated regions  Meteor Craters-Asteroid Impact Sites

Space Research Singles Competition Day Two

  1. Meteoroids, Meteors, Meteorites Describe the difference between the 3 and make any changes to your notes if you discover you have had an     error there.
  2. Curiosity Rover on Mars Read through and look at images 
  3.   Quia Game on Solar System
  4.     Get 1,000,000 2 times!!!    

Planets Guided Outline

The Solar System An Infographic trip through the wonders of the solar system. Well paced with clear visualizations.

http://www.youtube.com/watch?v=KsF_hdjWJjo&feature=player_embedded

the_solar_system.ppt
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The Amazing Solar System

The Amazing Solar System Your job on this amazing assignment is to find:
1. Three amazing facts about the Sun.
2. Three amazing facts on just 5 planets (so....15 total)

3. Three amazing facts about comets.

4. Tell what Ceres is and Two amazing facts about it.

5. Draw an amazing picture of the solar system.  Do an amazing job!!  Really amazing!!
6. Choose your favorite amazing planet and tell three amazing reasons why it is so amazing. 

USE this AMAZING link:
http://solarsystem.nasa.gov/index.cfm

Mass

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This carpet shows what happens to space in the presence of mass. Can you tell where the invisible masses are located? What are the invisible masses doing to space (and time) around them. How might the carpet look with an Earth size mass sitting on it? A black hole?

Most massive? Try a black hole.

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The clickable image shows one of the larger black holes we have found.

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Image credit: Christopher Vitale of Networkologies and the Pratt Institute.

Mass vs Weight

  • Mass is a measure of the amount of stuff an object is made of. The more stuff there is, the more force is required to accelerate it according to Newton's Second Law.
  • Weight is a measure of how much gravitational force is exerted on an object. For example, the Earth exerts a gravitational force on you and we call this force your weight.
Click here to watch watch a short video about mass and weight.
  • Weight on Other Planets
  • Weight on Other Planets Graphing
  • Age on Other Planets
  • Age on Other Planets Graphing

Categorizing Matter

Categorizing Matter Activity
  1. Students cut out matter cards
  2. Students organized and glued matter cards by physical property
  3. All cards needed to be used and at least two categories were needed

Five States of Matter


  1. Students reviewed the well known "solid, liquid, and gas" states
  2. Students were introduced to two new states- condensates and plasmas
  3. Students did the wave to simulate condensates and stripped balls out of each others hands to simulate plasmas

Exotic Matter

  1. Exotic types of matter like dark matter and antimatter were discussed
  2. Different plasmas were illustrated. Grapes in a microwave. CFL bulbs, plasma orbs and Tesla coils
plasma__&__bose.ppt
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Atom Review

Reviewed parts of the atom in the computer lab using atomic structure flash interactive
History of the atomic model was reviewed

Atomic Interactive Link
history_atomic_model.pdf
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Subatomic Particles

parts_of_the_atom.pdf
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Atomic Structure Diagram

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Students created a diagram that details our modern view of the atom.

Things that must be included in your diagram:

  • Nucleus
  • Electron cloud
  • Cloud must be dense near nucleus and fade towards edges
  • Two atoms bonding together
  • Smaller diagram illustrating and atom, the nucleus with protons and neutrons, a proton with quarks inside, and a single quark

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Overlapping electron clouds indicate bonding

Why do we need to do this cloud stuff?

Most atomic structure diagrams are poor representations and actually harder to learn from and not to mention what we knew of atoms in like 1920.    
http://www.uq.edu.au/_School_Science_Lessons/TWImagesatoms.html


Check out inaccurate example number 1 from the Vsauce video on the right.

What is matter?

States of Matter Analogy

What is Matter Worksheet
States of Matter Analogy Activity

Find someone who....

find_someone_who..._-_atoms.pdf
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How Building Blocks Are There In The Universe?

Elements (about 114 right now known)
  1. An element is a substance made of only one type of atom.
  2. Most atoms are cooked up in stars by nuclear fusion. Many of the heavy ones are fused in supernova explosions
  3. About 24 elements are not natural - people made them in particle accelerators
  4. You will need to learn the following elements symbols and their names: (Important) H, He, Li, Be, B, C, N, O, F, Ne, Na, Mg
atoms_elements_compounds.ppt
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matter.ppt
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Counting Atoms Practice

counting_atoms_worksheet.doc
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Elements, Atoms, Compounds, and Molecules

  1. Definitions (IMPORTANT)
    1. Element - sample of one type of atom
    2. Molecule - when 2 or more atoms are bonded together
    3. Compound - when 2 or more different atoms are bonded together
    4. Pure - each species or unit in the sample is the same (every molecule is the same for example)
    5. Mixture - 2 or more different atoms or molecules, opposite of pure

      Questions to try
      1. What is air?  A mixture
      2. What is tap water?  a mixture
      3. What is DI water?  pure, compound,  molecules
      4. What is  O2, oxygen gas?  pure, element, molecule
  1. Are the pictures on the right elements, compounds, pure, mixtures, or molecules.  More than one may apply.  (IMPORTANT)
    1. molecules, pure, element
    2. pure, compound, molecules
    3. mixture
    4. pure, element
    5. pure, compound, molecules
    6. mixture
    7. mixture
    8. pure, element
EACM Practice
solutions.ppt
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Atom Element and Molecule Practice

Tee Shirt Art
    Design artwork for a tee shirt representing the differences between atom, element, molecules, and compounds.
1. Front of the shirt must have artwork (minimum of 4 colors) showing the concept above.
2. Back of the shirt must have a 1 or 2 line 'cute or clever (but clean)' saying using the concept above.
3. A minimum of 2 paragraphs explaining how the artwork and saying get the Chemistry idea across must be written.

Song or Rap
    1. The song must use the words atom, element, molecule, compound, and mixture. Remember: when presenting the song, be prepared to sing/play it out loud.
    2. There must be an illustration (4 colors minimum) showing an understanding of the assigned vocabulary.
    3. There must be a 2 to 3 paragraph explanation after the song and illustration to explain how each covers and demonstrates the assigned vocabulary.

Create a Venn diagram
representing the differences and similarities between atom, element, molecules, and compounds

Periodic Table Practice

Students use a periodic table to identify information and trends on the periodic table.

Students watch the power point and find the following information for each element presented
  • Element Name
  • Atomic Number
  • Atomic Weight
  • Symbol
  • Solid, Liquid, Gas
  • Artificially made or radioactive
periodic_table_of_elements.pdf
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the_periodic_table.ppt
File Size: 361 kb
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the_periodic_table_of_elements.ppt
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periodic_table_foldable.docx
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2/13/14 Periodic Table Practice #1

PictureClick to enlarge sample.
Students colored periodic groups/families. Families are the vertical (up and down) columns that contain elements with similar properties.


Period Table can be downloaded from the following link:
http://elements.wlonk.com/Elements_Pics_Simple_11x8.5.pdf


  • Coloring the periodic table student sheet Coloring the periodic table student worksheet.docx
  • Coloring the Periodic Table powerpoint  students will use the colors shown on the powerpoint slides to color in three different tables using the worksheet here.   Understanding the Periodic Table Coloring 3 tables.ppt
Coloring instructions were provided via the following presentation below:
periodic_table_coloring.ppt
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coloring_the_periodic_table_worksheet.docx
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2/18/14 Periodic Table Practice #2

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Written descriptions of important features of the periodic table were added to the student colored periodic table.

Reading the Periodic Table Review

the_periodic_table.ppt
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periodic_table_simplified2014.pptx
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how_to_obtain_the_number_of_sub-atomic_particles.ppt
File Size: 300 kb
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2/19/14 Periodic Trend Practice

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Practice identifying an unknown element using key feature of the
periodic table based on the elements properties or proton number.



element_practice.pptx
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element_practice_2.pptx
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2/27/14 Elements in Living Things

elements_in_life.ppt
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periodic_table_trends_activity.doc
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How are isotopes different?

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isotopes_worksheet.doc
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structure_of_atom_modern_atomic_theory.ppt
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2/26/14 Periodic Sentences

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In this activity, students use a concept map linking key words about the Periodic table. They discuss relationships between words thus exploring and revealing their own understanding.

Students received a copy of Revision map for the Periodic Table and a Revising the Periodic table:

Students to:
  • work in pairs
  • look carefully at the Revision map for the Periodic Table
  • write sentences, on their Revising the Periodic table: Worksheet, that connect together the words in the boxes
  • use the same sentence number in the table as on the line.

Ask students to review their understanding and list, at the end of the Revising the Periodic table: Worksheet, which questions they have been able to do.

Bring students together in groups of three to:
  • compare the sentences they have devised
  • discuss the similarities and differences between their answers.
  • Again, ask students to review their understanding and list, at the end of the Worksheet, which questions they have been able to do.
  • Students from different groups to share their sentences and to identify where they still have gaps
  • Comment on where ideas have been clearly and accurately expressed and identify where students need to develop their ideas.

Acknowledgement K. Taber, Chemical misconceptions – prevention, diagnosis and cure, Volume 2: classroom resources, Revising the Periodic Table. London: Royal Society of Chemistry, 2002.


Resources

revision_map_for_the_periodic_table.doc
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revision_periodic_sentences.doc
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revision_periodic_sentence_examples.doc
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Famous Elements

element_practice.pptx
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element_practice_2.pptx
File Size: 264 kb
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moaners_and_groaners.pdf
File Size: 80 kb
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chemical_bonds__reactions.ppt
File Size: 2816 kb
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Hunting the Elements

pbs-nova-hunting-the-elements-worksheet.pdf
File Size: 492 kb
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Organic vs Inorganic Chemistry

Students were introduced to organic and inorganic compounds with the power point.
Students then sorted the cards into organic and inorganic categories

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organic_vs_inorganic_card_game.doc
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In Class Clicker Review

clicker_review_atoms_periodic_table.ppt
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Periodic Table Quiz Review

You can review some online materials by clicking here.
periodic_quiz_review.doc
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                                                                         Learning Targets
                                                                            (Objectives)
Level 3
1.Explain the relationship between position and motion
2.Compare and contrast speed and velocity
3.Explain how velocity is an example of a vector
4.Describe the relationship between velocity and acceleration
5.Describe the relationship between velocity and momentum
6.Interpret and create various graphs dealing with distance or velocity and time


Driving to the moon--Velocity and space travel

drivingtomoon.ppt
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Motion Guided Outline

motion.ppt
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motion_-_outline.pdf
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Motion Graphs

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He might want to use that last wish.

distance-time_graphs.pdf
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distance-velocity-time_graphs.docx
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Guided Outline

distance-velocity-time_graphs.ppt
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distance-velocity-time_graphs.docx
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distance-time_graphs_-_modified.pdf
File Size: 263 kb
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velocity-time_graphs.pdf
File Size: 181 kb
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Speed and Velocity Foldable

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Speed Practice Problems

Speed Practice Problem Set
speed_lab.doc
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Speed Practice Problems

Reference Frames

1. Watch the video on Reference Frames.
     Watch the video on Relative Speeds.
2. Complete the reference frame practice sheet.

3. When finished chew on a little of what made Einstein so famous.
Check out "Al's relativistic adventure" at http://www.onestick.com/relativity/ (this is the winning entry to Pirelli's relativity challenge, the challenge being to explain relativity as simply as possible).

Al’s Relativistic Adventures

http://www.onestick.com/relativity/
  • You will need to listen to the website... earbuds or headphones would be useful.
  • At the conclusion of the exercise, click on the ‘diploma’ link, insert your name onto the diploma and print it. 
  • Turn in the diploma (with your name on it).
  • For those that have printer issues you may instead write the nine statements on the left half of the screen. Turn in the nine statements (with your name on it).
  • You may also write a paragraph that describes Einstein's Special Theory of Relativity (e.g., relative time, relative size, relative mass).


Reference Frame Practice

Speed of Light

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Picture

What is your velocity while sitting still?

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What happens to objects when viewed while traveling at light speed? Length contraction. They get shorter
http://www.astrosociety.org/edu/publications/tnl/71/howfast.html

Extraterrestrial Excursions
  • Complete Extraterrestrial Excursions.
  • Students calculated how long, traveling a 25,000 mph, it would take to travel to various Solar System locations.
Angry Birds Velocity
http://www.wired.com/2013/05/how-can-you-find-the-launch-speed/


Speed Velocity and Acceleration Foldable




1.
Fold the paper in half (hamburger style)

2.
Cut the top flap in half and label one speed and the other velocity.

·         Include a picture on each flap

3.    On the inside:

Under the speed flap write:

·         The definition of speed
·         Formula
·         Unit
·         3 examples of speed

Under the Velocity flap write:

·         The definition of velocity
·         Formula
·         Unit
·         3 examples of velocity

On the back flap write:

·         Venn Diagram comparing/contrasting speed and velocity

4.    On the back cover write:

Acceleration

·         The definition of acceleration

·         The formula for acceleration

·         How acceleration is related to speed and velocity

·         3 examples of acceleration

·         3 facts

Acceleration Bingo

http://www.quia.com/ba/100097.html

motion_outline_1_speed.ppt
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File Type: ppt
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speed_and_speed_triangle.ppt
File Size: 2058 kb
File Type: ppt
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acceleration_outline.pdf
File Size: 303 kb
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acceleration_outline_key.ppt
File Size: 6472 kb
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motion_review_basic.doc
File Size: 25 kb
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Acceleration Triangle

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Acceleration

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Check out this tutorial on acceleration
http://physics.info/acceleration/




acceleration_outline.pdf
File Size: 303 kb
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acceleration_outline_key.ppt
File Size: 6472 kb
File Type: ppt
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Modeling Acceleration

Create a model of acceleration that is divided into three sections and contains the following:

       Make a creative title in each section for the three types of acceleration
       Create an interesting word problem for each section that describes the type of acceleration for the particular section
       Make an interesting and creative illustration that depicts the type of acceleration (for the section) and describes the word problem visually
       Within your illustration make sure to include vectors that describe the motion of objects
       Color and label all of your illustrations

Acceleration is the rate at which velocity changes with time. Remember that velocity describes both speed and direction of an object. In science, acceleration refers to increasing speed, decreasing speed, or changing direction.  Click on the link below to find the directions for the acceleration model directions.
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Increasing Velocity
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Decreasing Velocity
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Changing Direction
Acceleration Modeling

Mass Versus Weight and Misconceptions About Falling Objects

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  1. Watch the video Mass and Weight Clarification.  In your notebook, provide an example of how an object's weight can vary while its mass does not.
  2. Watch the video Misconceptions About Falling Objects.  In your notebook, explain why two objects of different masses fall at the same rate.
  3. Calculate your weight on other worlds.




Acceleration Problem Practice

  1. Does the speedometer of a car read average speed or instantaneous speed? How do you know?
  2. If the speedometer of your car reads a constant speed of 40km/hr, can you say 100% for sure that the car has a constant velocity? Explain your answer.
  3. What two controls on a car cause a change in speed?
  4. What control causes a change in velocity?
  5. What is the acceleration of a car that travels in a straight line at a constant speed?
  6. Describe a situation in which you can accelerate even though your speed doesn’t change.
  1. A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is its acceleration?
  2. A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. What is the lizard’s  acceleration?
Unreal G forces on this pilot. (Notice the several changes of direction)
Challenge Question: Josh rolled a bowling ball down a lane in 2.5 s. The ball traveled at a constant acceleration of 1.8 m/s2 down the lane and was traveling at a speed of 7.6 m/s by the time it reached the pins at the end of the lane. How fast was the ball going when it left Tim’s hand?

The Scooter Games Lab

the_scooter_games.pdf
File Size: 526 kb
File Type: pdf
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Acceleration Problems Practice Two

Comparing Velocity and Acceleration on a Distance vs Time Graph
  • Graph the following data with blue colored pencil. Describe the motion of this object.
  • Graph the following date with a red colored pencil. Describe the motion of this object.
 

Acceleration Practice Problems
Acceleration vs Velocity Graph

Guided Outline

gravity.ppt
File Size: 381 kb
File Type: ppt
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gravity.doc
File Size: 25 kb
File Type: doc
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gravity_universal_outline.ppt
File Size: 381 kb
File Type: ppt
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Is Antigravity and Levitation Possible?

Bus Levitation Trick
Documentary on the secrets of levitation. A scientific look at the history of human supernatural abilities and the ability to levitate without the assistance of technology. From ancient Indian Yogi to various other myths and legends in cultures all around the world, an examination of the art of levitation. Magic or reality?
Levitation Worksheet
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  • Indian Rope Trick?
  • What does the science say about levitation?
  • Here is an interview with Ishamuddin a modern performer of the legendary Indian Rope Trick

Yogi also offer invincibility

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http://www.invincibleireland.org/invincibility.html

Find Someone Who Can....Motion Review

Motion review

Anti gravity Illustration

Create an illustration showing what would happen to an object with true anti gravity.
Elements to include:
  1. a title of anti gravity
  2. a source of gravity like a planet, star or moon.
  3. an arrow showing the direction gravity pulls
  4. an object free from the force of gravity. how would that object be moving? where?
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Acceleration on the human body

Common Accelerations

Force Diagrams

Free Body Force Diagram Practice

Force Practice Problems

Force Practice Problems

Newton's Webquest Review

Today you will explore Newton's Law of Motion. To do this you will navigate through three different websites.  Make sure to pay close attention to the directions for each website. 

Remember, all of your work must be recorded in the form below.
  • Click on the green button below to get to the website.
  • Start with "Gravity" and read all five pages on forces.
  • Click "Play" at the bottom of the page. Play the game.
  • Take the quiz, write your answers, and report your score in the form
Newton's Webquest

Find Someone Who Can.....Forces Review

Forces Review

Challenge # 2 Ladder Egg Drop

egg_drop_ladder.ppt
File Size: 3263 kb
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 Momentum and Impulse

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Guiding Questions

         
1. Ask them which egg (wall or sheet) has the larger change in momentum?  2. Which has the larger mass?
3. Ask them which has the larger change in velocity?
4. Ask them which has the larger impulse?
5. Ask them which has the larger average force on the egg?
6. Ask them which had the greater time to stop?

The momentum of an object depends upon the object's ________. Pick two quantities.

a. mass - how much stuff it has

b. acceleration - the rate at which the stuff changes its velocity

c. weight - the force by which gravity attracts the stuff to Earth

d. velocity - how fast and in what direction it's stuff is moving

e. position - where the stuff is at




                                              Ticket to leave

  • Insert these words into the four blanks of the sentence: mass, momentum, acceleration, time, impact, weight, impulse, and force. (Not every word will be used.)

    In a collision, an object experiences a(n) __________________ acting for a certain amount of ____________________ and which is known as a(n) _______________ ; it serves to change the ________________ of the object.

  • Why do children's playgrounds often have sand or rubber surfaces instead of tar or concrete?
  • If you were in a water balloon competition where you and a partner had to throw a full water  balloon back and forth at increasing distances, how would you use physics to help you win?
  • Use the relative symbol size in the momentum impulse theorem to explain why a more  massive car traveling at the same velocity as a smaller car takes longer to stop.
  • Why do children's playgrounds often have sand or rubber surfaces instead of tar or concrete?
  • If you were in a water balloon competition where you and a partner had to throw a full water  balloon back and forth at increasing distances, how would you use physics to help you win?
  • Use the relative symbol size in the momentum impulse theorem to explain why a more  massive car traveling at the same velocity as a smaller car takes longer to stop.
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Which material would you prefer to have attached to your feet if you jumped off a building?
  • rope
  • metal chain
  • bungee cord

_
Worksheet: Momentum and Impulse Name___________________
PHYSICSFundamentals
© 2004, GPB
6-03
1. Define momentum. Give the equation and unit.
2. Two cars, one twice as heavy as the other, move down a hill at the same
speed. Compared to that of the lighter car, the momentum of the heavier
car is ___________ as much.
3. a. For a constant force, if the duration of impact upon an object is doubled,
how is the impulse affected?
b. How is the resulting change in momentum affected?
4. If the time of impact in a collision is extended by four times, by how much is
the force of impact altered?
5. Define impulse. Give its equation and unit.
Worksheet: Momentum and Impulse Name___________________
PHYSICSFundamentals
© 2004, GPB
6-04
Use the impulse-momentum equation to answer questions 6-9:
6. Why is it important to “follow through” when trying to hit a home run?
7. Why does it hurt more when you fall on a concrete floor than on a wooden
floor?
8. Why are car dashboards, steering wheels, and boxing gloves padded?
9. How can a karate “chop” break a board?
10. What is the momentum of a golf ball with a mass of 62 g moving at 73 m/s?
11. If in the problem above, the impact between the ball and club lasted for
2.0 x 10-3 s, what force acted on the ball? What force acted on the club?
12. For how long a time must a tow truck pull with a force of 550 N on a stalled
1200 kg car to give it a forward velocity of 2.0 m/s?
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Busted Explanations for Karate Breaking
karate_strikes_article.pdf
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momentum_worksheet_packet.pdf
File Size: 316 kb
File Type: pdf
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The Card Ninja. Why? Because science!


The motor bike catapult fail. Why? Because bad movie science

The Historic Baby Toss is still a practiced tradition in many cultures today. The game is designed to weed out the bad genes within the family tree.
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Sky Diver

·       On the top half of the page:

Create an illustration that shows what forces are acting on a sky diver in free fall. Make sure to include force vectors.

·       On the bottom half of the page:

Write a paragraph explaining the situation using academic vocabulary. Explain what forces are acting on the sky diver.  Are the forces balanced or unbalanced? What is happening to the speed of the sky diver when they first jump out of the plane, when they are in free fall, and when they deploy their parachute?

http://w3.shorecrest.org/~Lisa_Peck/Physics/syllabus/mechanics/momentum/eggdrop/eggdrop.html#parameters


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