Across
- 4. the inanimate object widely believed to have sparked the discovery of gravity
- 5. the distance an object moves per unit time
- 6. Subject of best IG
- 7. ______ = MC^2
- 8. the force between rubbing objects
- 10. a disturbance in a medium that carries energy without a net movement of particles
- 11. This is used to produce electricity
- 12. Vector quantity of distance
- 14. Newton's first law of motion
Down
- 1. SI Unit of Light
- 2. a measure of the kinetic energy in the particles of a substance
- 3. __________ uncertainty principle
- 9. this happens when light goes from 1 medium to another
- 13. force * distance about a pivot