Chemical Reactions

12345678910111213
Across
  1. 1. Tiny particles that make up all matter.
  2. 5. When one substance spreads evenly into another substance.
  3. 8. Information or observations used to support a claim.
  4. 9. A change that does NOT create a new substance.
  5. 10. A combination of substances that are not chemically joined.
  6. 11. A sign of a chemical reaction that may include bubbling.
  7. 12. Change A sign of a chemical reaction that can be observed visually.
  8. 13. Anything that has mass and takes up space.
Down
  1. 2. A change in how hot or cold something becomes.
  2. 3. Substances formed after a chemical reaction occurs.
  3. 4. A type of change where a new substance is formed.
  4. 6. A clue that a chemical reaction may have occurred involving smell.
  5. 7. Materials present before a chemical reaction occurs.
  6. 8. The ability to cause change or do work.