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Worksheets

Lab Safety

Total questions: 20

Worksheet time: 21mins

Name
Class
Date
1.
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 they see it later.

2.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)

throw

d)
all of the above
3.
If you are not sure what to do during a lab activity:
a)
guess
b)
change lab partners
c)
ask a teacher
d)
just sit quietly and do nothing
4.
When heating a substance in a test tube, the test tube should be pointed
a)
Towards you
b)
Away from you and others
c)
Away from others
d)
Towards others and away from you
5.

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.

6.

( Fill in the blank) Long hair should be ____________ in the laboratory.

a)

tied back

b)

cut

c)

down

d)

curled

7.
After completing an experiment, all chemical wastes should be
a)
dumped down sink
b)
taken home
c)
thrown in trash
d)

take care of according to teacher's directions

8.
The proper technique for smelling chemicals is ______________
a)
keeping your nose close to the glassware
b)

wafting from a safe distance

c)
to sniff only a small amount
d)
Trick question; you never are allowed to smell chemicals in class
9.
Keeping your work area neat and clean is important because:
a)
My teacher is a neat-freak
b)
I won't lose my supplies in the clutter.
c)
It keeps the room from looking messy.
d)
It helps prevent accidents.
10.

True or False: Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.

a)

True

b)

False

11.

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

12.
When in the lab you should wear...
a)
open-toed shoes.
b)
sandals.
c)

sneakers or closed-toes shoes.

d)
no shoes.
13.
I must follow all instructions, written and verbal, about the laboratory procedures given by the teacher.
a)
True
b)
False
14.

If a laboratory fire erupts, immediately _________.

a)

Run for the fire extinguisher.

b)

Tell your teacher.

c)

Throw water on the fire.

d)

Open the windows.

15.

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)

to protect your eyes from chemicals, heat, or glassware being used

16.

Chipped or cracked glassware is okay to use in the laboratory.

a)

True

b)

False

17.

A microscope must always be carried with 2 hands

a)

True

b)

False

18.

When unplugging anything, you should yank the cord out as hard as you can.

a)

True

b)

False

19.
Horseplay, jokes, and pranks are appropriate in the science classroom at any time.
a)
True
b)
False
20.
You have been injured in the lab (cut, burned, etc.) First you should -
a)
apply first aid yourself
b)
tell the teacher at once
c)
see a doctor after school
d)
visit the school nurse after class