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The Invisible Pull By Jacob Moyes
Standard Indicator <ul><li>5.3.13 </li></ul><ul><ul><li>Demonstrate that the earth’s gravity pulls an object towards it wi...
Definitions <ul><li>Gravity-the force of attraction by which terrestrial bodies tend to fall toward the center of the eart...
Background <ul><li>Isaac Newton </li></ul><ul><ul><li>Discovered the principles of gravity we use today. </li></ul></ul><u...
Activity <ul><li>Locate a chalkboard eraser and a large, smooth surface with which to work (like a tile floor) </li></ul><...
Activity (Continued) <ul><li>Conclusion: The eraser must have some force to act on it in order for it to move. </li></ul><...
Activity (Continued) <ul><li>Conclusion: Some outside force must have been applied to the eraser to make it fall. </li></u...
Questions for Review <ul><li>Does gravity only work on erasers? If not, what else does it work on? </li></ul><ul><li>Why d...
Research <ul><li>I actually did this activity myself. What was surprising is that the answers aren’t altogether as obvious...
Resources <ul><li>IDOE  www.doe.in.gov </li></ul><ul><li>The Online Dictionary  www.dictionary.com </li></ul><ul><li>The O...
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The Invisible Pull

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Indicator Activity #2

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Transcript of "The Invisible Pull"

  1. 1. The Invisible Pull By Jacob Moyes
  2. 2. Standard Indicator <ul><li>5.3.13 </li></ul><ul><ul><li>Demonstrate that the earth’s gravity pulls an object towards it without touching it. </li></ul></ul><ul><ul><li>Click on the link below to view the activity for this standard! </li></ul></ul><ul><ul><li>http://www. indianastandardsresources .org/files/sci/sci_5_3_pull. pdf </li></ul></ul>
  3. 3. Definitions <ul><li>Gravity-the force of attraction by which terrestrial bodies tend to fall toward the center of the earth . </li></ul>
  4. 4. Background <ul><li>Isaac Newton </li></ul><ul><ul><li>Discovered the principles of gravity we use today. </li></ul></ul><ul><ul><li>Used them to form the 3 fundamental laws of motion. </li></ul></ul>
  5. 5. Activity <ul><li>Locate a chalkboard eraser and a large, smooth surface with which to work (like a tile floor) </li></ul><ul><li>Place the eraser on the surface. Can this eraser move on its own? What has to happen to make it move? </li></ul><ul><li>Test different ways to make the eraser move. </li></ul>
  6. 6. Activity (Continued) <ul><li>Conclusion: The eraser must have some force to act on it in order for it to move. </li></ul><ul><li>Hold the eraser out in front of you. What happens if you let it go? </li></ul><ul><li>Let the eraser go. What happens? Why? </li></ul>
  7. 7. Activity (Continued) <ul><li>Conclusion: Some outside force must have been applied to the eraser to make it fall. </li></ul><ul><li>You didn’t push the eraser to the floor, so what was the force that caused the eraser to fall? </li></ul><ul><li>Conclusion: Gravity is the outside force causing the eraser to fall. </li></ul>
  8. 8. Questions for Review <ul><li>Does gravity only work on erasers? If not, what else does it work on? </li></ul><ul><li>Why do you think airplanes don’t float into space? </li></ul><ul><li>Can you see gravity? </li></ul>
  9. 9. Research <ul><li>I actually did this activity myself. What was surprising is that the answers aren’t altogether as obvious as you would think. If you don’t know anything about gravity and the way it works going into this project you could be thoroughly confused about why things fall with nothing visible touching said things. </li></ul>
  10. 10. Resources <ul><li>IDOE www.doe.in.gov </li></ul><ul><li>The Online Dictionary www.dictionary.com </li></ul><ul><li>The Online Encyclopedia www.encyclopedia.com </li></ul>
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