Across
- 3. When a solid changes to a liquid you must ______________ heat.
- 5. The state of matter in which the atoms are packed closely together and cannot move.
- 7. Anything that has volume and mass.
- 8. The state of matter in which the atoms are far apart and can move freely.
- 9. Water is an example of a ____________.
- 13. Liquids take the shape of their _______________.
- 15. The process in which heat is added to a liquid to change it to a gas.
- 16. When you remove heat from a liquid and it turns to a solid.
Down
- 1. Solids have definite volume and definite ________________.
- 2. When you add heat to a solid and it changes to a liquid.
- 4. When a gas cools down and turns into a liquid.
- 6. When a liquid changes to a solid you must _______________ heat.
- 10. This is two or more atoms clustered together, for example: H2O.
- 11. The amount of space that something takes up.
- 12. The amount of matter in something.
- 14. The smallest unit of matter is an _______________.