Across
- 6. It is a sample that remain the same all throughout the experiment
- 7. Workplace Hazardous Materials Information System
- 8. The event which is studied and expected to alter when the independent variable is changed.
- 9. A common pie ce of laboratory equipment used to measure the volume of a liquid
- 11. The things that always need answers.
- 12. This material can decompose readily to released oxygen.
- 15. Bacteria, contaminated blood and fungi.
- 17. Gas A gas at normal room temperature under pressure.
- 19. The tentative explanation for an observation, phenomenon, or scientific problem
- 20. A cylinder glass with a wide mouth.
Down
- 1. Do not combine these materials with other maerials.
- 2. This material can cause severe burns and possibly permanent damage to the human tissue
- 3. Why you are doing something.
- 4. The variable that is changed or controlled during a scientific experiment
- 5. Paying attention to the details during a lab.
- 10. The items that you need to use in a lab.
- 13. The final process of the basic scientific method by which scientists reveal whether the hypothesis was proven correct
- 14. A gas burner used in labs.
- 16. Large pincers for grasping and lifting vessels of heat-resistant material used in high temperature chemical reactions
- 18. What you are doing in a lab.