Science

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Across
  1. 5. is a small adjustable gas burner
  2. 6. Has a defined shape and volume
  3. 8. the smallest particle of a chemical
  4. 9. Hot
Down
  1. 1. is a type of substance
  2. 2. is visible
  3. 3. Substance that can’t be decomposed
  4. 4. cannot be seen usually
  5. 7. is a place to do experiments