Chemical Reactions

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Across
  1. 2. When atoms change into new substances.
  2. 4. Something made with all the same atoms.
  3. 9. ___ shows the amount and type of atoms in a substance.
  4. 11. Many repeating atoms linked together.
  5. 14. It can cause damage.
  6. 15. A ___ helps us by making something easier to see.
  7. 16. The act of a substance changing from a solid to a liquid.
Down
  1. 1. When a substance changes from liquid to gas.
  2. 3. A substance at the start of a chemical reaction.
  3. 5. Something you can observe from a substance, like the looks or smell.
  4. 6. When atoms join in a specific pattern.
  5. 7. The relative size of things.
  6. 8. To move around things or change the position.
  7. 10. A substance after a chemical reaction.
  8. 12. Adding ___ to the soil helps plants grow.
  9. 13. Microscopic pieces that make up everything.