13. To put out a fire in a person’s hair or clothing, use -
a. The fire blanket
b. The wind produced by running
c. Water from the sink
d. The CO2 fire extinguisher
a. The fire blanket
14. The correct way to move about the laboratory is to -
a. Run
b. Hurry
c. Walk
d. Skip
c. Walk
7. If you are hurt (cut, burned, etc.) tell the -
a. Principal at once
b. Class at once
c. Teacher at once
d. Doctor after school
c. Teacher at once
23. Eyeglasses do not provide as much protection as -
a. A face shield
b. Splash proof goggles
c. Safety glasses
d. Any of the above
d. Any of the above
If you see something in the classroom/laboratory that is dangerous, tell the teacher -
a. When you have time
b. At once
c. After class
d. After school
b. At once
4. Alcohol, ether, and other volatile chemicals that can ignite easily should never be used near -
a. Another person
b. A lab counter
c. An open flame
d. A worktable
c. An open flame
Spills can cause injuries and additional accidents. Always clean them up -
a. At once
b. When you have time
c. During clean-up time
d. At the end of the period
a. At once
17. Chemicals, small parts, glassware, and stirring rods are not to be -
a. Treated with respect/caution
b. Used properly
c. Put in one’s mouth
d. Stored properly
c. Put in one’s mouth
5. When you work with laboratory chemicals and Bunsen burners, long hair must be -
a. Cut off
b. Held with both hands
c. Combed nicely
d. Kept out of the way by wearing a band, hairpins, etc.
d. Kept out of the way by wearing a band, hairpins, etc.
10. If you break a piece of glassware or other equipment, tell the teacher -
a. The next period
b. At once
c. At clean-up time
d. Never
b. At once
Rags or paper towels with flammable liquids or solids on them must be put in -
a. A cardboard box
b. A metal or other designated container with a lid
c. A wastebasket
d. A trash can
b. A metal or other designated container with a lid
15. Helping to clean up the laboratory is the job of -
a. New students
b. Each student
c. Old students
d. The teacher
b. Each student
18. To prevent accidents during laboratory activities with chemicals and equipment, you should -
a. Use shortcuts
b. Follow your teacher’s instructions
c. Hurry ahead of others
d. Ask someone else to do the work
b. Follow your teacher’s instructions
6. When you work with laboratory chemicals, equipment or burners, all loose clothing and loose jewelry must be -
a. Left on
b. Left hanging loose
c. Made of non-flammable materials
d. Fastened out of the way or removed
d. Fastened out of the way or removed
9. If you think that there is something wrong with a piece of equipment you are using, stop, turn it off, and tell -
a. Your best friend
b. Another student
c. The teacher
d. The custodian
c. The teacher
12. If you see a fire in an apparatus assembly or a burning liquid such as alcohol -
a. Throw water on it
b. Tell your teacher immediately
c. Grab our stuff and run
d. Open a window
b. Tell your teacher immediately
35. While pouring liquids from one container into another, you should wear goggles:
a. Only if it is an acid
b. Every single time
c. If time allows
d. Only if it is a large amount
b. Every single time
22. Before you touch an electrical switch, plug, or outlet -
a. Your hands must be dry
b. Ask the custodian
c. Ask the principal
d. Ask the nurse
a. Your hands must be dry
8. Whenever you are in the classroom/laboratory, you should wear -
a. Sandals
b. Opened toed shoes
c. Closed shoes
d. No shoes
c. Closed shoes
11. All floors, aisles, and passageways should be kept clear of -
a. Teachers and students
b. Laboratory equipment and chemicals
c. Chemicals only
d. Laboratory equipment only
b. Laboratory equipment and chemicals
21. If flammable liquids such as alcohol are spilled -
a. Let them dry up
b. Tell the teacher immediately
c. Clean them up at once
d. Both b and c
d. Both b and c
31. Spilled bases can be made safe with -
a. Gasoline
b. Alcohol
c. Water
d. Dilute acetic acid (vinegar) solution
d. Dilute acetic acid (vinegar) solution
37. After heating glass, pick it up -
a. Within 30 seconds
b. After school
c. After you are sure that it is cool
d. The next day
c. After you are sure that it is cool
24. Laboratory aprons are for -
a. The protection of you and your clothes
b. Wiping your hands on
c. Others to hang up
d. When you are wearing your best clothes
a. The protection of you and your clothes
16. When you use laboratory equipment and/or chemicals, you should give the procedure all of your -
a. Interest
b. Attention
c. Effort
d. All of these
d. All of these