1. An Invisible Pull Aimee Stout Standard number 3-The physical setting Indicator number 5.6.3

3. Taken from: http://dc.doe.in.gov/Standards/AcademicStandards/StandardSearch.aspx

5. Background information Questions to think about: Why does the rain fall down? Why don’t we float like we are on the moon? What makes the water in the faucet fall downward? What happens when you drop an object?

6. Materials needed Paper and pencil Chalkboard eraser Paper (not for writing) Yard stick

7. Activity Put the eraser on your desk. Questions to think about: Can the eraser move itself? What must happen for the eraser to move? *Test ways to make your eraser move. Write down what you try. Did you have to push or pull your eraser to move it?

8. Activity That push or pull is called force. Grab your eraser. What would happen if you let it go? Drop your eraser. Why did your eraser fall? There must have been a force that caused your eraser to fall. Did you push your eraser to the floor??

9. Activity Since you didn’t push your eraser, what pulled your eraser to the floor? Gravity is the force that pushed your eraser to the floor. What caused this apple to fall on the mans head in this picture?

10. Extension activity Now try dropping the piece of paper. Does the same thing happen? Using your yard stick, you are going to drop the eraser and paper at the same time at the top of your yard stick. But first: Predict which will hit the floor first-write down your answers. Why do you think this? Which one actually hits the floor first? How did gravity cause this?

12. Resources Department of education website- http://dc.doe.in.gov/Standards/AcademicStandards/StandardSearch.aspx Link to activity- http://www.indianastandardsresources.org/files/sci/sci_5_3_pull.pdf Definitions- http://www.dictionary.reference.com