What is the MATTER?

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Across
  1. 4. The amount of matter something contains is its ____
  2. 5. Solid matter does not change
  3. 6. Liquid matter takes the shape of its ____
  4. 7. The amount of space that matter takes up is its
  5. 8. If you place a solid in a liquid, it will either sink or ___
  6. 11. This is the type of gas that we need to stay alive
Down
  1. 1. When atoms are in this state of matter, they fly around freely
  2. 2. Water in the form of a gas is called water ____
  3. 3. This is the types of gas that plants need to make food
  4. 5. Matter that has a definite shape and volume is in this state
  5. 9. This is liquid rock that pours out of a volcano
  6. 10. The tiny particles that matter is made up of are ____