Across
- 5. a process used to separate substances based on differences in boiling points
- 9. force the force of attraction between objects with mass
- 14. water in its gaseous state
- 16. forces forces that act on objects without touching them
- 17. point the temperature at which a solid changes into a liquid
- 18. the tiny particles that make up all matter
- 19. forces forces between electrically charged objects
- 20. forces forces that are not equal and cause a change in motion
- 21. the amount of matter in an object
Down
- 1. change a change that forms one or more new substances
- 2. change a change in size, shape, or state that does not form a new substance
- 3. the size or strength of a force
- 4. a force that opposes motion between two surfaces in contact
- 6. forces forces that are equal and opposite, causing no change in motion
- 7. the amount of space an object occupies
- 8. point the temperature at which a liquid changes into a solid
- 10. mixture a mixture in which the substances are evenly mixed throughout
- 11. a push or pull that can change the motion of an object
- 12. force a force that acts when objects touch each other
- 13. mixture a mixture in which the substances are not evenly mixed
- 15. the tendency of an object to resist changes in its motion
- 18. force a force exerted on an object by a person or another object