Across
- 4. the rate of change in an object's velocity
- 5. a(n) __________ unit is equal to the average distance between the earth and the sun
- 7. the tendency of an object to resist a change in motion
- 10. type of signal sent with 1's and 0's
- 14. this type of eclipse happens when the moon blocks light traveling to the Earth.
- 15. large object orbiting around a star
- 17. a light year measures _________, not time
- 18. a disturbance that carries energy
- 20. the distance an object travels in a given time
- 21. when sunlight traveling to an object is blocked by another body (like Earth)
- 22. a push or a pull in a given direction
Down
- 1. term for light being bent as it travels through a different medium
- 2. to send a signal
- 3. an attractive force that tends to pull objects together
- 5. a "copy" of a wave or signal(continuously variable)
- 6. when radiation enters a substance, it can be ____________ as heat
- 8. phase of the moon when Earth is between the sun and moon
- 9. type of EM radiation used for cell phones, cooking, and radar guns
- 11. term for light (or other radiation) bouncing off a surface
- 12. energy that is being stored
- 13. a smaller object traveling around a larger object in a battle of inertia and gravity
- 16. the energy of motion
- 19. an imaginary line around which a planet spins