Across
- 3. the first rule of lab safety is no _____________
- 7. a substance made of all the same kind of atom
- 9. energy that is moving or changing
- 10. potential energy that powers devices
- 12. measured in distance/time
- 13. a stronger force causes a ________ change in velocity
- 15. the same force on an object with greater mass causes ____ change in velocity
- 17. the force between a surface and an object moving over it
- 19. the result of a cause
- 20. energy that allows you to see
- 21. an object that stores energy in a system
- 22. the amount of matter in an object
Down
- 1. the reason for an effect
- 2. ice is an example of a _____ friction surface
- 4. stored energy
- 5. speed in a particular direction
- 6. a push or pull that can change motion
- 8. the building blocks of matter
- 11. heat, bubbles, and color changes are signs of a _________ change
- 14. the ability to make things move or change
- 16. when two objects collide, the ____ force is exerted on each
- 18. a goal you must meet in an engineering project