Musa's Cross-Word Puzzle! What Do Scientists Do, and How?

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Across
  1. 2. A Scientific tool that measures weight.
  2. 4. A scientific tool that enlarges.
  3. 5. An organized way scientists gather information.
  4. 6. A scientific guess, to a scientific question.
  5. 7. Proof to prove a hypothesis.
Down
  1. 1. A procedure scientists perform, to gather information.
  2. 3. A scientific procedure, done under controlled conditions.