Chapter 3 Project

7. A ? can help with pulling up heavy objects.
10. ? Energy is carried by sound waves.
11. The car’s ? energy allows it to move forward.
12. ? is a flat, sloped surface.
15. “I am glad we have ? Energy to have air conditioning because it is so hot today,” she said.
16. Satellites needs a source of ? to power to run their system.
17. ? such as shovels, hammers, shopping carts, fishing pools, etc make work easier.
18. As the roller coaster was going down hill it had a lot of ? Energy.
19. the ratio of the output and input work is ?.
20. A water bottle cap is a ?
21. Electromagnetic waves carries ? Energy.
22. When the water boils ? Energy causes the steam to rise up.

1. ? converts one form of energy to another.
2. A ? is multiple simple machines combined.
3. ? is the law that energy can be transformed from one form to another and can never be destroyed.
4. I stretched a rubber band and it started to store ? energy.
5. ? Energy is stored and released from the nucleus.
6. A door handle uses a ? to open a door.
8. A pizza cutter is a ?
9. The food we eat has ? Energy stored in it.
13. ? Energy transfers by sound waves in the ground.
14. Scissors is an example of a ?.