Across
- 4. the gaseous state of a substance
- 7. the substance that dissolves into another substance to form a solution
- 8. a measurement of heat energy
- 11. a state of matter in which the molecules are tightly packed
- 14. the process where a liquid changes into a gas and disappears into the air
- 15. a state of matter between a solid and a gas
- 16. a physical combination of two or more substances that are not chemically bonded
Down
- 1. a substance that dissolves another substance to form a solution
- 2. made up of tiny particles called atoms
- 3. the process where a gas (like water vapor) turns into a liquid when it cools down and loses energy.
- 5. formed when two or more atoms, which can be of the same or different elements, are held together by chemical bonds
- 6. the basic building block of all matter
- 9. a substance formed when two or more different chemical elements are chemically bonded together
- 10. characteristics
- 12. a simple way to describe how much "stuff" (mass) is packed into a certain amount of space (volume)
- 13. state of matter in which the molecules are very spread out