Science Safety Quiz PS1a - חִידוֹן

1. If a fire erupts, immediately

A) run for the fire extinguisher.
B) notify the teacher.
C) open the windows.
D) throw water on the fire.

2. Approved eye protection devices (such as goggles) are worn in the laboratory

A) to avoid eye strain.
B) any time chemicals, heat, or glassware are used.
C) to improve your vision.
D) only if you do not have corrective glasses.

3. If you do not understand a direction or part of a laboratory procedure, you should

A) try several methods until something works.
B) skip it and go on to the next part.
C) ask the teacher before proceeding.
D) figure it out as you do the lab.

4. After completing an experiment, all chemical wastes should be

A) disposed of according to your teacher's directions.
B) taken home.
C) dumped in the sink.
D) neatly left at your lab station for the next class.

5. You have been injured in the laboratory (cut, burned, etc.). First you should

A) visit the nurse after class
B) see a doctor after school
C) apply first aid yourself
D) tell the teacher immediately

6. Long hair in the laboratory must be

A) always neatly groomed.
B) held away from the experiment with one hand.
C) tied back or kept entirely out of the way with a hair band, etc.
D) cut short.

7. Horseplay, practical jokes, or pranks in the science lab classroom are

A) okay if you are working alone.
B) always against the rules.
C) not dangerous.
D) okay.

8. When you finish working with chemicals and other lab substances, always

A) wash your hands thoroughly with soap and water.
B) wipe your hands on your clothes.
C) treat your hands with skin lotion.
D) wipe your hands on a towel.

9. In this classroom, where is the eyewash station located?

A) in the front of the room, beside the teacher's desk sink
B) in the back of the room, near the windows
C) inside the teacher's closet
D) inside the cabinets in the back of the room

10. Which of the following should never be used to collect data in the laboratory?

A) looking for a color change
B) listening for the escaping of gases
C) feeling for the production of heat
D) testing by taste

11. Whose responsibility is it to care for lab equipment and report any damage?

A) only the teacher has the responsibility
B) every person participating in a lab has the responsibility
C) only my lab partner has this responsibility
D) the principal mainly

12. If any chemicals get into your eye,

A) shake your head back and forth violently to make your eyes water.
B) first notify the teacher, then flush with water at the eyewash station for 15 minutes.
C) take your eyelids and flap them up and down to remove any chemicals trapped.
D) have your lab partner run to the nurse for Visine.

13. If you break glassware, like a test tube,

A) Sweep the glass off the table, and put it into the trash.
B) Conceal the accident so your group doesn't get a bad reputation.
C) Crush the remaining glass fragments down to allow for easier disposal.
D) Immediately notify the teacher and those around you of the hazard. Do not attempt to clean it up yourself.

תלמידים שפתרו תרגול זה פתרו גם :

Division Timed Test
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Lab safety quiz

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