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Safety Rules

Total questions: 39

Worksheet time: 28mins

Name
Class
Date
1.
Long hair in the laboratory must be 
a)
tied back or kept entirely out of the way with a hair band, hairpins, or other confining device
b)
always neatly groomed
c)
held away from the experiment with one hand
d)
cut short
2.
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
3.
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
4.
 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
5.
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
6.
When gathering glassware and equipment for an experiment, you should
a)
 All of the choices
b)
clean any glassware that appears dirty
c)
examine all glassware to check for chips or cracks
d)
read all directions carefully to know what equipment is necessary
7.
In a laboratory, the following should not be worn. 
a)
all of the answers
b)
dangling jewelry
c)
sandals
d)
loose clothing
8.
 The following footwear is best in the laboratory. 
a)
shoes appropriate for the weather
b)
open-toed shoes
c)
closed-toed shoes
d)
sandals
9.
 Horseplay or practical jokes in the laboratory are 
a)
okay if you are working alone
b)
not dangerous
c)
okay
d)
always against the rules
10.
If a piece of equipment is not working properly, stop, turn it off, and tell 
a)
the science instructor
b)
your best friend in the class
c)
the custodian
d)
your lab partner
11.
When you finish working with chemicals, biological specimens, and other lab substances, always 
a)
wipe your hands on your clothes
b)
wipe your hands on a towel
c)
wash your hands thoroughly with soap and water
d)
treat your hands with skin lotion
12.
Hot glass looks the same as cold glass.
a)
True
b)
False
13.
Work areas should be kept clean and tidy
a)
True
b)
False
14.
Chipped or cracked glassware is okay to use.
a)
True
b)
False
15.
Read all procedures thoroughly before entering the laboratory
a)
True
b)
False
16.
All unauthorized experiments are prohibited.
a)
True
b)
False
17.
When is it OK to eat or drink at the lab tables?
a)
Always
b)
During group work, but not during lab activities
c)
Never
d)
During lab activities
18.
What should you do if you break glass in the lab?
a)
Tell the teacher, sweep up the glass, and put it in the broken glass container
b)
Tell the teacher, sweep up the glass, and dump it into the garbage
c)
Pick up the glass with your hands
d)
Ignore it; the teacher will clean it up
19.
Part of lab safety includes reading the lab procedure...
a)
before doing the lab
b)
while doing the lab
c)
after doing the lab
d)
only if you think you really need it
20.
Before leaving the lab you should always wash or sanitize your hands.
a)
True 
b)
False
21.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
22.
Helping to clean up the lab or classroom is the job of
a)
old students.
b)
transfer students.
c)
each and every student.
d)
only the teacher.
23.
Disrupting other students in the laboratory with horseplay in the lab is:
a)
helpful.
b)
allowed
c)
dangerous.
d)
the quickest way to do a job.
24.

When in the lab you should wear...

a)

open-toed shoes.

b)

sandals.

c)

closed-toes shoes.

d)

goggles

e)

lab apron

25.

Which of the following are examples of dressing appropriately in the lab? Select all that apply.

a)

Pulling long hair back

b)

Leaving long hair down to get in the chemicals.

c)

Wearing sandals

d)

No dangly jewelry or baggy clothes

26.

If you get something in your eyes, how long do you need to use the eyewash station or bathroom?

a)

20 seconds

b)

5 minutes

c)

20 minutes

d)

1 Hour

27.
Flammable materials, like alcohol, should never be dispensed or used near
a)
an open door
b)
an open flame
c)
another student
d)
 a sink
28.
You are heating a piece of glass and now want to pick it up. You should 
a)
pour cold water on it
b)
use tongs
c)
pick up the end that looks cooler
d)
use a rag or paper towels
29.
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by 
a)
all of the choices
b)
 twisting the tubing and stopper carefully
c)
using a towel or cotton gloves for protection
d)
lubricating the tubing with water or glycerin
30.
 Personal eyeglasses provide as much protection as
a)
none of these answers
b)
splashproof chemical goggles
c)
safety glasses
d)
a face shield
31.
If an acid is splashed on your skin, wash at once with 
a)
weak base
b)
soap
c)
plenty of water
d)
oil
32.
Return all unused chemicals to their original containers.
a)
True
b)
False
33.
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet using your mouth.
a)
True
b)
False
34.

When measuring or transferring small amounts of liquids with a pipette you should

a)

Use a turkey baster instead

b)

Use your mouth to suck up the liquid like a straw

c)

Use a spoon

d)

Use a mechanical pipette filler

35.

When diluting acids you should

a)

pour acid into water

b)

pour water into acid

36.

How long should you rinse your skin if you spill a chemical on it?

a)

5 minutes

b)

10 minutes

c)

15 minutes

d)

20 minutes

37.

When cutting small diameter glass tubing you should

a)

wrap the tubing in a paper towel before you break it

b)

score the glass tubing to help make a clean break

c)

All of these

d)

break glass with thumbs pushing away from you

38.

The best way to check if glassware is cool enough to handle is to

a)

wait 5 minutes after taking it off the heat source

b)

carefully use the back of your hand to check if glass is hot

c)

have the bravest person in your group check for you

d)

wait 10 minutes after taking it off the heat source

39.

When removing an electrical plug from the socket

(Choose all that apply)

a)

pull the plug, not the cord

b)

make sure your hands are dry

c)

pull the cord, not the plug

d)

as fast as possible

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