The Properties of Matter Crossword

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Across
  1. 2. | A combination of substances that are not chemically joined
  2. 6. | A reaction that gives off heat and light, like a campfire
  3. 8. | A change that makes a new substance
  4. 9. | A mixture where you can see the different parts
  5. 11. | When two or more elements join chemically, they form this
  6. 12. | Everything that has mass and takes up space
  7. 13. | The smallest part of an element
  8. 14. | When metal reacts with air and water, it turns reddish-brown
Down
  1. 1. | A clue that a chemical reaction has happened: color ________
  2. 3. | A substance made of only one kind of atom
  3. 4. | Another name for a homogeneous mixture
  4. 5. | A clue that a reaction is happening — bubbles form and a _____ is made
  5. 7. | Made of hydrogen and oxygen — a common compound
  6. 9. | A mixture that looks the same all the way through
  7. 10. | The gas we breathe that helps things burn