Matter Crossword

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Across
  1. 1. how much space an object or substance takes up
  2. 3. pigment that is visible
  3. 6. an action taken in response to something
  4. 11. observed or measured without changing the identity of a substance
  5. 12. building blocks of everything
  6. 13. being able to move without breaking
  7. 15. the form of an object or its outline
  8. 16. the force exerted by magnets when they attract or repel each other
  9. 17. on the surface of iron objects or structures
  10. 18. the amount of matter
Down
  1. 2. ability to cut into thin sheets
  2. 3. can only be observed by changing the identity of a substance
  3. 4. the level of harm a toxin can cause
  4. 5. capable of catching fire and burning
  5. 7. substance is altered but it is not transformed into another substance
  6. 8. process in which a substance reacts with oxygen to give heat and light
  7. 9. change that results in the formation of new chemical substances
  8. 10. ability to support combustion
  9. 14. having a surface that is not smooth but with a raised pattern
  10. 19. the process where a food product becomes unsuitable to ingest by the consumer