Made of Matter

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Across
  1. 1. when atoms join together, they form ____
  2. 4. how hot or cold something is
  3. 6. solid, liquid, or gas
  4. 7. tool to see very small particles
  5. 13. made of only 1 type of molecule
  6. 14. color, flavor, hardness, state of matter
  7. 15. a mixture of several types of gases
  8. 16. to show or explain molecules we use ______
Down
  1. 2. where will you find citric acid?
  2. 3. everything around us is made of _____
  3. 5. matter is made of tiny particles called ____
  4. 8. when a molecule has + and - ends
  5. 9. made mostly of copper atoms
  6. 10. contains different atoms or molecules
  7. 11. made mostly of keratin molecules
  8. 12. example of a gas