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1.1 Laboratory Safety Procedures

Total questions: 35

Worksheet time: 44mins

Name
Class
Date
1.
What does this symbol indicate?
a)
Organisms or other biological materials that might be harmful to humans.
b)
material that is radioactive in nature
c)
substance may be poisonous if touched, swallowed, or inhaled.
d)
special disposal procedures must be followed
2.
What is this safety symbol?
a)
Radioactivity
b)
Biological
c)
Irritant
d)
Toxic
3.
What is this safety symbol?
a)
Radioactivity
b)
Biological
c)
Irritant
d)
Toxic
4.
What does this symbol indicate?
a)
substances that can irritate the skin or mucous membranes of the repiratory tract
b)
substances that can react with and destroy tissue and other materials
c)
objects that can burn skin by being too hot or too cold
d)
special disposal procedures must be followed
5.

If a lab experiment is not completed you should _______.

a)
Abandon the experiment without any documentation
b)
Continue the experiment without informing anyone
c)
Delete all data and start over
d)

Discuss the issue with the instructor

6.

If a laboratory fire erupts, immediately _________.

a)
put out the fire with water
b)
run towards the fire
c)
ignore the fire and continue working
d)

evacuate the area and alert the instructor

7.

The following footwear is required in the lab ________.

a)
Sandals
b)
High heels
c)
Flip flops
d)
Closed-toe shoes
8.

True or False:

Chipped or cracked glassware is ok to use.

a)
False
b)
True
9.

Which of the following is the best way to clean your hands after using chemicals in a laboratory experiment?

a)

Rinse your hands with distilled water.

b)

Use a generous amount of hand sanitizer.

c)

Wash your hands with soap and water.

d)

Wipe your hands with a wet paper towel.

10.
You should report accidents to the teacher __.
a)
after the class is over
b)
immediately 
c)
the following day
d)
never
11.
Identify the Image 
a)
Indicates Radioactivity 
b)
Indicates fire safety
c)
Indicates biological hazard
d)
Indicates glass safety
12.
This indicates.
a)
Poison
b)
Fire
c)
Germs
d)
Radio-active 
13.

Using chipped or cracked glassware is permitted during the labs.

a)

True

b)

False

14.

If chemicals comes in contact with your skin or eyes, you should rinse the area water for ___________ minutes.

a)

10

b)

5

c)

15

d)

2

15.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
16.
What should you do if you break glass in the lab?
a)
Tell the teacher.
b)
Sweep up the glass.
c)
Pick up the glass with your hands.
d)
Ignore it; the teacher will clean it up when she sees it later.
17.

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

a)

to avoid eye strain

b)

to improve your vision

c)

so that you look super cool

d)

any time chemicals, heat or glassware are used

18.

Click on the picture to zoom in: Imagine you are in a chemistry lab. You see a group of students performing experiments. Which student is following all lab safety rules?

a)

H

b)

A

c)

E

d)

G

e)

D

19.
While performing lab using acids and bases you accidentally splash acid all over your face.  What piece of safety equipment should you use immediately?
a)
fire blanket
b)
fire extinguisher
c)
eye wash station
d)
safety shower
20.
While performing an experiment in the lab you read that you will be working with an open flame, glass beakers, and water.  What are the correct pieces of safety equipment you must be wearing?
a)
gloves, goggles
b)
goggles, gloves, apron
c)
apron, goggles
d)
gloves, apron
21.
 If you do not understand a direction or part of a lab procedure, you should 
a)
skip it and go on to the next part.
b)
ask the instructor before proceeding
c)
try several methods until something works
d)
figure it out as you do the lab
22.
You have been injured in the laboratory (cut, burn, etc.). First you should
a)
apply first aid yourself
b)
tell the science instructor at once
c)
see a doctor after school
d)
visit the school nurse after class
23.
Read all procedures thoroughly before entering the laboratory
a)
True
b)
False
24.
All chemicals in the lab are to be considered dangerous
a)
True
b)
False
25.
Eating in the lab is okay, as long as you clean up your mess.
a)
True
b)
False
26.
If the bell rings before you finish, it's not a problem if you leave everything. You can come back later and clean it up.
a)
True
b)
False
27.

Select the symbol that indicates a fire hazard.

A
B
C
D
E
F
G
H
28.

Select the symbol that indicates a biohazard.

A
B
C
D
E
F
G
H
29.

Select the symbol that indicates an ecohazard.

A
B
C
D
E
F
G
H
30.

Select the symbol that indicates a substance that is toxic

A
B
C
D
E
F
G
H
31.

Select the symbol that indicates a substance that is radioactive

A
B
C
D
E
F
G
H
32.

Select the symbol that indicates a substance that is corrosive

A
B
C
D
E
F
G
H
33.

Select the symbol that indicates a substance that is an oxidizer

A
B
C
D
E
F
G
H
34.

Select the symbol that indicates a substance that is explosive

A
B
C
D
E
F
G
H
35.

What should you do or not do in the lab?

Categorize the following

Wash hands afterwards

Wear proper PPE

Double check instructions

Be careful with all chemicals

Pretend to burn your friend with an open flame

Smell every chemical to compare them

Lick anything that is a pretty color

Leave a mess behind for the instructor; they will really like that

Do
Not do

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