Across
- 4. used to remove toxic fumes from the environment
- 7. used for the disposal of broken (or nonbroken) glass
- 8. The study of life
- 11. the factor you measure
- 12. The factor you change
- 13. an act or instance of noticing or perceiving
- 14. a tentative scientific explanation that can be explored further
Down
- 1. an experiment conducted under controlled conditions with a control group for comparison
- 2. experimental group kept close to normal conditions
- 3. piece of safety equipment primarily used when a person is on fire
- 5. what you should NEVER do in a lab!
- 6. used to protect the eyes during a lab
- 9. a logical interpretation based on what scientists already know
- 10. used if chemicals enter the eyes