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