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Lab Safety Retake Quiz

Total questions: 25

Worksheet time: 2hrs 5mins

Name
Class
Date
1.
Approved eye protection devices (such as goggles) are worn in the laboratory
a)
to avoid eye strain.
b)
to improve your vision.
c)
only if you don’t have corrective glasses.
d)
any time chemicals, heat or glassware are used.
2.
If you do not understand a direction or part of a lab procedure, you should
a)
figure it out as you do the lab.
b)
try several methods until something works.
c)
ask the instructor before proceeding.
d)
skip it and go on to the next part.
3.
You are heating a substance in a test tube. Always point the open end of the tube
a)
toward yourself.
b)
toward your lab partner.
c)
toward another classmate.
d)
away from all people.
4.

Long hair in the laboratory must be

a)

cut short.

b)

held away from the experiment with one hand.

c)

always neatly groomed.

d)

tied back or kept entirely out of the way

5.
You have been injured in the laboratory (cut, burn, etc.). First you should
a)
visit the school nurse after class.
b)
see a doctor after school.
c)
tell the science instructor at once.
d)
apply first aid yourself.
6.
In a laboratory, the following should not be worn.
a)
loose clothing.
b)
dangling jewelry.
c)
sandals.
d)
all of the above.
7.
The following footwear is best in the laboratory.
a)
sandals
b)
open-toed shoes
c)
closed-toed shoes
d)
shoes appropriate for the weather
8.
Horseplay or practical jokes in the laboratory are
a)
always against the rules.
b)
okay.
c)
not dangerous.
d)
okay if you are working alone.
9.
If a piece of equipment is not working properly, stop, turn it off, and tell
a)
the custodian.
b)
your lab partner.
c)
your best friend in the class.
d)
the science instructor.
10.
When you finish working with chemicals, biological specimens, and other lab substances, always
a)
treat your hands with skin lotion.
b)
wash your hands thoroughly with soap and water.
c)
wipe your hands on a towel.
d)
wipe your hands on your clothes.
11.

All chemicals in the lab (including foodstuffs and store-bought chemicals) should be considered dangerous.

a)

True

b)

False

12.

After completing an experiment, all chemical waste and dissection materials should be

a)

left at your lab station for the next class

b)

disposed of according to your teacher's directions

c)

dumped in the sink or trash can

d)

taken home

13.
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
a)
True
b)
False
14.

Never remove chemicals, lab equipment or dissection specimens from the laboratory.

a)

True

b)

False

15.
Chipped or cracked glassware is okay to use.
a)
True
b)
False
16.
It’s okay to pick up broken glass with your bare hands as long as the glass is placed in the trash.
a)
True
b)
False
17.
Never leave a lit burner unattended
a)
True
b)
False
18.

If a fire erupts, immediately

a)

notify the teacher

b)

run for the fire extinguisher

c)

throw water on the fire

d)

run out and scream for help

19.

The following activity is permitted (allowed) during a lab activity

a)

chewing gum (as long as your teacher is unaware)

b)

eating Doritos

c)

drinking water

d)

none of the above

20.

All unauthorized experiments are prohibited

a)

True

b)

False

21.

You are allowed to enter the chemical storage area ...

a)

when you need to get more supplies

b)

if you need to get the broom and dust pan

c)

never go in without instructions to do so from your teacher

d)

if you need to borrow the sodium bicarbonate

22.

It can be dangerous to smell chemicals, but if you need to ...

a)

make your lab partner do it

b)

waft the air above the beaker

c)

tasting the chemical would be a better option

d)

make sure to take a direct and very deep breath

23.

When diluting acids, always add

a)

water to acid.

b)

acid to water.

c)

both simultaneously.

d)

it doesn't matter.

24.

Before starting any lab activity, you should

a)

read the instructions carefully.

b)

start immediately to save time.

c)

ask your lab partner for a summary.

d)

wait for the teacher to give a demonstration.

25.

If you spill a chemical on your skin, you should

a)

wipe it off with a cloth.

b)

rinse it immediately with plenty of water.

c)

ignore it if it doesn't hurt.

d)

cover it with a bandage.