2015 Unit 2 Week 6 Grade 2

1. Vocabulary
Unit 2
Week 6

2. Gravity:

3. Gravity: A force that pulls things to the ground.

4. Forces:

5. Forces: The push or pull that makes things happen.

6. Energy:

7. Energy: The power needed to do work.

8. Motion:

9. Motion: The movement of things.

10. Pressure:

11. Pressure: The force pushing on something

12. Speed:

13. Speed: How fast something is moving.

14. Weight:

15. Weight: How heavy something is.

16. Friction:

17. Friction: How easily something moves over another.

18. Gear:

19. Gear: A tool for making work easier.