Chemical Reactions & Energy Puzzle

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Across
  1. 3. Someone who solves problems by designing, building, and improving products
  2. 6. All the things our design needs to do or have-The requirements
  3. 7. The systematic process of investigating a specific question to find answers
  4. 9. The ability to dissolve in a liquid
  5. 10. Anything that takes up space and has weight
  6. 11. How easily a liquid flows, or resistance to flow
  7. 14. The characteristics of a substance
  8. 16. The curved surface of a liquid within a container
  9. 17. The inability to dissolve in a liquid
  10. 18. A form of energy
Down
  1. 1. A chemical reaction that absorbs heat
  2. 2. A chemical reaction that releases heat
  3. 4. The substance that is formed after a chemical reaction
  4. 5. The starting substances used to cause a chemical reaction
  5. 8. How much matter is packed into the volume of a substance or object
  6. 12. All the things our design does not need to do or have-The limits
  7. 13. The building blocks of all the matter in the universe
  8. 15. Atoms that make up a pure ingredient
  9. 16. The result of 2 or more atoms that come together to form a new substance