9. If you break a piece of glassware or other equipment, tell the teacher

A) The next period

B) At clean up time

C) At once

D) Never

10. All floors and aisles should be kept clear of

A) Teachers and students

B) Lab equipment

C) Chemicals

D) Both B and C

11. If you see a fire in an apparatus or a burning liquid, it is best to put it out with

A) The fire blanket

B) Water from the sink

C) Your coat

D) The fire extinguisher

12. To put out a fire in a person's hair or clothes, use

A) The fire blanker

B) A handy chemical

C) The wind from running

D) The fire extinguisher

13. The correct way to move around the laboratory is to

A) Run

B) Walk

C) Hurry

D) Skip

14. Helping to clean up the laboratory or classroom is the job of

A) New Students

B) Old students

C) Each student

D) The teacher

15. When you use the laboratory, you should give the procedure all of your

A) Interest

B) Attention

C) Effort

D) All of these

16. You must wear your goggles in the laboratory

A) To improve your vision

B) Sometimes

C) To avoid myopia

D) When instructed to do so

17. Disturbing other students while they are working in the laboratory is

A) Helpful

B) Poor manners

C) Dangerous

D) The quickest way to do the job.

18. It would help if you prepared for each laboratory activity by reading all the instructions

A) Afterschool

B) While you are working

C) Before you start

D) Next week.

19. To prevent accidents during laboratory activities, you should

A) Use shortcuts

B) Follow directions

C) Hurry ahead of others

D) Ask someone else to do the work.