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Lab Safety Review

Total questions: 44

Worksheet time: 54mins

Name
Class
Date
1.

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

a)

ask the teacher before proceeding.

b)

skip it and go on to the next part.

c)

figure it out as you do the lab.

d)

try several methods until something works.

2.

If a fire erupts, immediately

a)

run for the fire extinguisher

b)

throw water on the fire.

c)

notify the teacher.

d)

open the windows.

3.

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

a)

only if you do not have corrective glasses.

b)

to avoid eye strain.

c)

to improve vision.

d)

any time chemicals, heat, or glassware are used.

4.

After completing an experiment, all chemcial wastes should be

a)

disposed of according to your teacher's directions.

b)

left a your lab station for the next class.

c)

taken home.

d)

dumped in the sink.

5.

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

a)

visit the school nurse after class.

b)

see a doctor after school.

c)

tell the teacher at once.

d)

apply first aid yourself.

6.

Long hair in the laboratory must be

a)

held away from the experiment with one hand.

b)

tied back or kept entirely out of the way with a hair band, etc.

c)

cut short

d)

always neatly groomed.

7.

Which of the following should not be worn during a laboratory activity?

a)

sandals

b)

loose clothing

c)

dangling jewelry

d)

all of the above.

8.

Horseplay, practical jokes, or pranks in the classroom are

a)

not dangerous.

b)

okay if you are working alone.

c)

always against the rules.

d)

okay.

9.

If a piece of equipment is not working properly, stop, turn it off, and tell

a)

your best friend in class.

b)

your lab partner

c)

the teacher.

d)

the principal.

10.

When you finish working with chemicals, biological specimens, and other lab substances, always

a)

wipe your hands with a towel.

b)

treat your hands with skin lotion.

c)

wash your hands thoroughly with soap and water.

d)

wipe your hands on your clothes.

11.

The following activity is not permitted in the laboratory:

a)

chewing gum.

b)

eating.

c)

drinking.

d)

all of the above.

12.

When using a razor blade or scalpel, always cut material

a)

in your hand

b)

away from you

c)

toward you

d)

perpendicular.

13.

Before you leave the science room, you should

a)

wash your hands with soap and water.

b)

return all equipmernt to the proper storage area.

c)

clean your work area and equipment.

d)

all of the above.

14.

All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous.

a)

True

b)

False

15.

Work areas should be kept clean and tidy.

a)

True

b)

False

16.

Never remove chemicals, specimens, or other equipment from the laboratory.

a)

True

b)

False

17.

Laboratory work may be started immediately upon entering the laboratory even if the teacher is not yet present.

a)

true.

b)

false.

18.

Read all procedures thoroughly before performing a laboratory investigation.

a)

True

b)

False

19.

All unauthorized experiments are prohibited.

a)

true

b)

false

20.

It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can.

a)

True

b)

False

21.

Do not leave a lit burner unattended

a)

True

b)

False

22.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
23.
When in the lab you should wear...
a)
open-toed shoes.
b)
sandals.
c)
closed-toes shoes.
d)
no shoes.
24.

Which of the following IS considered safety equipment in our classroom?

a)

Eyewash Station

b)

Emergency Shower

c)

Fire Extinguisher

d)

All of the above

25.
When should you look over the experiment instructions? 
a)
After starting the lab
b)
When your teacher tells you to
c)
Before starting the lab
d)
It doesn't really matter.  Instructions are silly!
26.
It's fine to smell chemicals directly from their containers.
a)
True
b)
False
27.
You are heating a substance in a test tube. Always point the open end of the tube 
a)
away from all people
b)
toward another classmate
c)
toward your lab partner
d)
toward yourself
28.
What is the proper way to smell a chemical mixture in an experiment?
a)
waft
b)
blow your nose then take a big wiff
c)
take a big sniff
d)
snort
29.

Flammable materials should never be used near:

a)

A. An open door

b)

B. An open flame

c)

C.Another student

d)

D. A sink

30.

When should you pour a substance down the drain?

a)

if your classmate says it's okay

b)

if the teacher tells you it's okay

c)

if it's cold

d)

if it's white or clear

31.

Which object is the least likely to get caught in lab equipment?

a)

fitted lab coat

b)

loose scarf

c)

dangly earring

d)

long hair

32.

Having an organized work area can help you

a)

find materials easily

b)

prevent accidents

c)

clean up faster

d)

all of the above

33.

If you notice another student breaking lab rules you should tell the teacher.

a)

true

b)

false

34.

This sign means that

a)

the chemical is an irritant

b)

the chemical is a poison

c)

the chemical is flammable

d)

the chemical is corrosive

35.

This sign means that

a)

the chemical is an irritant

b)

the chemical is a poison

c)

the chemical is flammable

d)

the chemical is corrosive

36.

This sign means that

a)

the chemical is an irritant

b)

the chemical is a poison

c)

the chemical is flammable

d)

the chemical is corrosive

37.

This sign means that

a)

the chemical is an irritant

b)

the chemical is a poison

c)

the chemical is flammable

d)

the chemical is corrosive

38.

This sign means that

a)

its raining outside

b)

there is a water leak

c)

a safety shower is located here

d)

wash yourself completely before you leave the lab

39.

This sign means that

a)

its raining outside

b)

there is a water leak

c)

the eye wash station is located here

d)

watch what you do with liquids

40.

This sign warns us that

a)

there is a high voltage electric source nearby

b)

there is dangerous biological waste nearby

c)

there are chemicals that can explode nearby

d)

there are radiation sources nearby

41.

This sign warns us that

a)

there is a high voltage electric source nearby

b)

there is dangerous biological waste nearby

c)

there are chemicals that can explode nearby

d)

there are radiation sources nearby

42.

This sign warns us that

a)

there is a high voltage electric source nearby

b)

there is dangerous biological waste nearby

c)

there are chemicals that can explode nearby

d)

there are radiation sources nearby

43.

This sign warns us that

a)

there is a high voltage electric source nearby

b)

there is dangerous biological waste nearby

c)

there are chemicals that can explode nearby

d)

there are radiation sources nearby

44.

This sign means that

a)

a flaming hoop is nearby

b)

this chemical can cause others to oxidise and react

c)

the hoop easily catches fire

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