Chemical Changes

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Across
  1. 4. When the substance changes its size,shape, or melts it does not change what it is.
  2. 5. When the color change, temperature change, and fire its does change what its is.
  3. 7. Solid,Liquid,Gas.
Down
  1. 1. water and lava mixed together to make stone.
  2. 2. When a liquid turns into a solid.
  3. 3. ability to support combustion
  4. 6. Fe2O3.