Across
- 5. / a number larger than the billions.
- 8. forces / there is balanced forces and then there are these forces.
- 9. / vibrations that can be heard by an animal or person.
- 11. method / every science fair experiment has this.
- 14. / people who study astrology.
- 17. / determines speed.
- 19. / this is where all the planets.
- 20. / something you do to determine the length of something.
- 22. / property of matter
- 26. / activates a device.
Down
- 1. / The way in which someone moves.
- 2. / determines a mathematically answer.
- 3. / increase in speed of something.
- 4. / helps starts the motion of an object
- 6. law / these are the most famous laws of physics.
- 7. per second / there are miles per hour but there are also these miles.
- 10. / how far something is.
- 12. / to estimate or measure.
- 13. / surfers ride these
- 15. / in the Cold War was a "Space ___."
- 16. / cause and ___.
- 18. / this is a type of science concerned with nature and matter.
- 21. / the rate which someone can move or control
- 23. / to make a journey.
- 24. year / a unit of distance that astronomers use.
- 25. / a ray of light