Science vocabulary

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Across
  1. 4. Reacts with bases
  2. 5. Things we mix
  3. 7. Substances that mix in chemistry
  4. 8. Cant see but has mass
Down
  1. 1. Some time makes a explosion
  2. 2. Can be separated
  3. 3. Tiny parts of stuff
  4. 6. Cant take apart