Across
- 7. At 0 degrees Celcius, water will ______.
- 8. When particles are in this phase of matter, they fly around freely.
- 10. Solids do not change their ______.
- 11. This is the gas that plants need to make food.
- 12. Liquid that pours out of a volcano
- 14. All matter is made up of tiny ______.
- 17. Liquids always take the shape of the ______ they are in.
- 18. When a solid turns into a liquid, it does this.
Down
- 1. A word used to describe how much matter weighs
- 2. The solid form of water is called ______.
- 3. On a warm day, water in a puddle will _____ and turn into a gas.
- 4. This is the gas humans need to stay alive.
- 5. You might pour this thick, red liquid on a burger or hotdog.
- 6. A gas found in some balloons
- 7. If you place a solid in a liquid, it will either sink or ______.
- 9. Solid white bits of water that fall from the sky are called ______.
- 13. Rain is in this phase of matter.
- 15. Matter that has a definite shape is in this phase.
- 16. Water in the form of a gas is called ______.