Across
- 3. — Heat transfer through fluids (liquid or gas).
- 5. — Speed with direction.
- 8. — A force that opposes motion between surfaces.
- 9. — The amount of mass in a given volume.
- 11. — A change that forms a new substance.
- 14. — The measure of how hot or cold something is.
- 16. — The force that pulls objects toward the Earth.
- 18. — A push or pull on an object.
- 20. — Heat transfer through waves, not touching anything.
Down
- 1. — A change in velocity over time.
- 2. — Heat transfer through direct contact.
- 4. — Matter with no definite shape but definite volume.
- 6. — The amount of space an object occupies.
- 7. — A state of matter with definite shape and volume.
- 10. — The ability to do work.
- 12. — The tendency of an object to resist a change in motion.
- 13. — A state of matter with no definite shape or volume.
- 15. — Anything that has mass and takes up space.
- 17. — The smallest unit of matter.
- 19. — The amount of matter in an object.