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Ch 2 - Lab-Safety-Rules MASTER

Total questions: 61

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

During the lab, all backpacks should be placed on your seat or on your desk.

a)

True

b)

False

2.

Sandals are permitted during laboratory experiments.

a)

True

b)

False

3.

Three main rules when working with open flames

a)

tie back long hair

b)

wear gloves

c)

wear gggles

d)

secure loose clothing

4.

Using chipped glassware is permitted during the labs.

a)

True

b)

False

5.

You only have to wash your hands when completing the lab when you are using chemicals.

a)

True

b)

False

6.

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

7.

Unused chemical should be returned to original containers.

a)

True

b)

False

8.

The nearest fir extinguisher is located in

a)

the storage closet

b)

outside the door

c)

near the couch in the green area

d)

in the chemistry labs

9.

In case of a fire, you should

a)

turn off all gas

b)

unplug appliances

c)

take your backpack with you

d)

walk to the designated area.

10.

When is it appropriate to use the safety shower?

a)

Upon exposure to small amounts of chemicals

b)

If you are on fire

c)

large chemical spills

d)

only when directed by the teacher

11.

Always pour acid into water

a)

True

b)

False

12.

Wash your hands after handling all living organisms.

a)

True

b)

False

13.

If burned during the lab,

a)

Use the safety shower for 15 minutes

b)

rinse the area with cold water

c)

ignore it

d)

tell the teacher

14.

In case of a small fire,

a)

use the fire blanket to extinguish the fire

b)

use the fire extinguisher

c)

tell the teacher

d)

use water to extinguish the fire

15.

End of class procedures

a)

Turn off appliances, water and gas

b)

Return all materials to the appropriate place.

c)

Disposal of chemicals as directed by the teacher.

d)

Clean your area

e)

Wash your hands

16.

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

17.

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

a)

skip it and move on

b)

ask your teacher or classmates

c)

try different things until something works

d)

figure it out as you do the lab

18.

After completing an experiment, all wastes should be

a)

taken home

b)

tossed in the trash can

c)

disposed of according to your teacher's directions

d)

left out for someone else to clean

19.

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

a)

apply first aid yourself

b)

tell the science teacher immediately

c)

see a doctor after school

d)

visit the school nurse after class

20.

Long hair in the laboratory must be

a)

tied or pinned back

b)

neatly groomed

c)

held away from the experiment with one hand

d)

cut short

21.

In a laboratory, the following should not be worn.

a)

all of the answers

b)

dangling jewelry

c)

sandals

d)

loose clothing

22.

Horseplay or practical jokes in the laboratory are

a)

okay if you're working alone

b)

not dangerous

c)

okay if Ms. Dominguez isn't watching me

d)

ALWAYS against the rules

23.
Work areas should be kept clean and tidy
a)
True
b)
False
24.
All chemicals in the lab are to be considered dangerous
a)
True
b)
False
25.
Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present
a)
True
b)
False
26.
Read all procedures thoroughly before entering the laboratory
a)
True
b)
False
27.

All unauthorized experiments are prohibited.

a)

True

b)

False

28.
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
29.
I must follow all instructions, written and verbal, about the laboratory procedures given by the teacher.
a)
True
b)
False
30.

Identify this safety item

a)

smock

b)

apron

c)

cover up

d)

goggles

31.

Identify this safety item.

a)

shades

b)

glasses

c)

face mask

d)

safety goggles

32.
What hazard does this symbol indicate?
a)
flammable
b)
electrical
c)
poison
d)
caustic
33.

When is it OK to eat or drink at the lab tables?

a)

Always

b)

Only during group work, not during labs

c)

Never

d)

Whenever I'm hungry

34.
If you see a science experiment set up in the classroom...
a)
do not touch anything until instructed.
b)
immediately begin working on the lab.
c)
go and check all equipment.
d)
walk around and check each station.
35.
Safety 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 are used or glassware is heated.
36.
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.
37.

This safety symbol represents

a)

hazardous material

b)

flammable material

c)

Wash hands

d)

corrosive material

38.
When should you tie back long hair or baggy clothing?
a)
When working with chemicals
b)
When working with a Bunsen burner
c)
When doing dissections.
d)
Any time you are working in the lab.
39.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
40.
If you break glassware in the lab, you should...
a)
Tell the teacher
b)
Clean it up quickly before the teacher notices
c)
Scream at the top of your lungs
41.
When in the lab...
a)
long sleeves and loose clothing should be rolled up
b)
closed toe shoes should be worn
c)
long hair should be pulled back
d)
all of the above
42.
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
43.
The lab equipment seen in the image should be worn during a lab investigation when...
a)
using glassware.
b)
using chemicals.
c)
using heat/fire.
d)
using any of the above.
44.
Name this lab apparatus:
a)
test tube holder
b)
tongs
c)
thermometer
d)
test tube rack
45.
Horseplay, practical jokes, and running in the classroom are
a)
OK if the teachers not looking
b)
allowed if nobody gets hurt
c)
always against the rules
d)
allowed if there is no lab being done
46.
Name this piece of lab equipment.
a)
Beaker
b)
Graduated Cylinder
c)
Test tube
d)
glass
47.
If you do not understand a direction or part of a laboratory procedure, you should
a)
Figure it out as you do the lab
b)
Skip it and go on to the next part.
c)
Ask the teacher before proceeding.
d)
Try several methods until something works.
48.

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

49.

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

50.

In a laboratory, the following should not be worn.

a)

all of the answers

b)

dangling jewelry

c)

sandals

d)

loose clothing

51.
What does this GHS symbol mean?
a)
Flammable
b)
Explosives
c)
Oxidising Agent
d)
Corrosive
52.
When working in the lab, you always...
a)
work with only members of your group with a business-like attitude
b)
ask questions when in doubt about procedures
c)
clean up after yourself 
d)
all of the above
53.
Before leaving the lab you should always wash or sanitize your hands.
a)
True 
b)
False
54.
When should you tie back long hair or baggy clothing?
a)
When working with chemicals
b)
When working with a Bunsen burner
c)
When doing dissections.
d)
Any time you are working in the lab.
55.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
56.
If you wear contact lenses in the school laboratory
a)
take them out before starting the lab
b)
you do not have to wear protective goggles
c)
 advise your science instructor that you wear contact lenses
d)
 keep the information to yourself
57.
When equipment is broken or not working properly, what should you do?
a)
Quickly repair the equipment.
b)
Let your classmates know you shouldn't use the equipment.
c)
Tell your teacher immediately about the problem.
d)
Clean up the mess made from the broken equipment.
58.
What should you do with long hair during a lab investigation?
a)
Keep it clean
b)
Keep it brushed
c)
Keep it straight
d)
Keep it tied back
59.
What equipment should be used if you get chemicals or irritants in your eye during a lab activity?
a)
the emergency shower
b)
eyewash station
c)
fire blanket
d)
fire exit
60.
What lab safety rule isn't being followed here?
a)
Wiping up spills immediately. 
b)
Wearing goggles.
c)
Eating during lab.
d)
Heating a closed container.
61.
Which of the following would be safe to do during a lab activity?
a)
running in the classroom
b)
following lab rules
c)
touching hot surfaces
d)
lLeaving a water spill on the floor

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