Changes In Matter

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Across
  1. 2. the force that holds atoms
  2. 3. the basic building block of chemistry
  3. 5. the branch of natural science
  4. 8. it measures how much is inside of something
  5. 9. it measures how hot or cold something is
  6. 11. a substance made of one atom
  7. 13. the amount of space occupied by matter
  8. 15. matter that does not alter the chemical properties
  9. 17. two or more chemically bonded together
  10. 19. it can be observed without changing
  11. 21. when bonds break and new ones are formed
  12. 22. a substance that comes in content with another
  13. 23. a substance to help chemicals go faster
Down
  1. 1. heat absorbed by surrounding areas
  2. 4. the end of a chemical reaction
  3. 6. anything that takes up space and can be weighed
  4. 7. a chemical made up of more than one element
  5. 8. a combination of two or more substances
  6. 10. the capacity to do work
  7. 12. the amount of energy that is transferred from one system
  8. 14. a specific characteristic of a substance
  9. 16. the process of releasing heat
  10. 18. the attraction of molecules
  11. 20. a substance that is present to the start