Chemical & Physical Changes

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Across
  1. 3. when chemicals bond and release or absorbed energy and causing their surroundings hotter or colder.
  2. 5. When two or more substances combine and form a new substance.
  3. 6. a chemical reaction that generates heat and light.
  4. 7. When two liquids combine and form a solid.
Down
  1. 1. when a chemical reaction radiate light differently and produces new colors.
  2. 2. When a chemical reaction produces and releases gas.
  3. 4. When a substance changes form, shape, or state but does not create a new substances.