Woodson's matter crossword

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Across
  1. 1. the amount of matter within a object
  2. 3. a form of energy
  3. 5. the branch of science that deals with the properties
  4. 8. the amount of space the object takes up
  5. 10. to give off heat
  6. 13. the ability to do work
  7. 14. a characteristic of a substance that can be observed or measured without changing the identity of the substance
  8. 16. a substance made from two or more different elements
  9. 17. a attraction between atoms
Down
  1. 1. two or more atoms
  2. 2. the basic building block of matter
  3. 4. something that has weight
  4. 6. a combination of two or more substances
  5. 7. the starting materials in a reaction that undergo a chemical change to form a product.
  6. 9. the measure of hotness or coldness expressed
  7. 11. action or property of molecules adhering to one another due to mutual attraction
  8. 12. a substance that is present at the end of a chemical reaction
  9. 15. a change when two or more things combine