ALL ABOUT MATTER

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