Intro Unit Review

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Across
  1. 2. Safety ___ must remain on when chemicals are being used in a lab, even if you are finished.
  2. 4. Smother fire on a person with a fire ___.
  3. 6. Never ___, drink, or chew gum in a lab.
  4. 8. A factor that may affect reaction rate is ___.
  5. 9. Numerical values recored in an experiment are called ___ data.
  6. 11. ___ gas could explode if heated.
  7. 13. There are ___ important parts in a good conclusion.
  8. 14. ___ material can cause serious chemical burns.
  9. 15. If chemicals get in your eye, flush it with running water for ___ minutes.
  10. 16. Never pour chemicals back into its ___ container.
Down
  1. 1. The ___ variable is measured for change in an experiment.
  2. 3. A ____ is a possible explanation to an observation or question.
  3. 5. Characteristics or observations are called ___ data.
  4. 7. The ___ variable is controlled and manipulated by the experimenter.
  5. 10. In a line graph, both the independent and dependent variable are ___.
  6. 12. ___ materials could cause flammable material to burn.