Unit A Test Review

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Across
  1. 2. When separating two substances/mixtures, you ______ one of the substances to separate them.
  2. 4. You should always use _______ to handle objects in a lab activity instead of with your hands.
  3. 7. Data described using numbers.
  4. 8. You should always wear _______ to protect your eyes during a lab activity.
Down
  1. 1. The formula for density
  2. 3. Data described without using numbers.
  3. 5. Shows if a substance is corrosive and/or contains water.
  4. 6. If two liquids mix they are ________.