Physical and Chemical Changes

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Across
  1. 6. What happens when water, oxygen, and iron mix?
  2. 8. a change when a substance's physical properties (shape, size,etc.) without changing its chemical composition.
  3. 10. the shape or physical appearance of something. (physical property)
  4. 11. One of the three states of matter (atoms packed very tightly.)
  5. 13. where a solid, liquid, or gas mixes into a liquid.
  6. 15. a substance that is observed or measured, and a chemical reaction has occurred. (cannot be reversed)
Down
  1. 1. when the amount of mass from the start of the transformation and the end is the same.
  2. 2. Density is the measurement of a substance's mass per unit volume
  3. 3. ability of a substance to easily burn or catch fire.
  4. 4. a characteristic of matter that can be observed, measured, without changing the substance's identity composition.
  5. 5. Cannot change what has been done
  6. 7. The ability to undo a change
  7. 9. a physical property where it is the reflection of light.
  8. 12. One of the three states of matter (Loose but still compacted atoms.)
  9. 14. where a solid changes into a liquid through the application of heat or pressure.