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