Across
- 2. Particles are _______ _________ when energy is removed. (two words, no spaces.)
- 5. The amount of space something takes up
- 7. when a gas is cooled into a liquid
- 9. The state of matter that cannot move freely, but moves by vibrating.
- 15. Small pieces of matter. atoms and molecules are examples of this.
- 17. Moving energy (two words, no space)\
- 18. when a solid turns into a liquid
- 21. The smallest unit of matter
- 23. Particles are _____ _______ when energy is added. (two words, no spaces)
Down
- 1. two or more atoms bonded together
- 3. Temperature of something when thermal energy is removed.
- 4. Temperature of something when thermal energy is added.
- 6. The amount of "stuff" in something (weight)
- 8. when a gas is cooled into a solid
- 10. The state of matter that has medium kinetic energy.
- 11. when a liquid is heated into a gas
- 12. The kinetic energy of particles
- 13. a gas that is used to fill up balloons
- 14. when a liquid is cooled into a solid
- 16. when a solid is heated into a gas
- 19. The state of matter with the most kinetic energy.
- 20. All physical things that have mass and volume
- 22. an important gas we need to breathe