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Unit 0: Lab Safety Day 1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

You are heating a substance in a test tube. Always point the open end of the test tube ________.

a)

Toward yourself.

b)

Toward your lab partner.

c)

Toward another classmate.

d)

Away from all people.

2.

The following footwear is required in the lab ________.

a)

Sandals.

b)

Open-toe shoes.

c)

Closed-toe shoes.

d)

Shoes appropriate for the weather.

3.

True or False:

Return all unused chemicals to their original containers.

a)

True

b)

False

4.

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

a)

tied back

b)

cut

c)

down

d)

curled

5.

Hot glass looks the same as cold glass.

a)

True

b)

False

6.
The proper technique for smelling chemicals is ______________
a)
keeping your nose close to the glassware
b)
wafting
c)
to sniff only a small amount
d)
Trick question; you never are allowed to smell chemicals in class
7.
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.
8.

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

9.

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

10.

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

11.

in the lab, you should NEVER

a)

taste substances being used

b)

wear your goggles

c)

pull your hair up if its long

d)

wear close-toed shoes

12.
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.
13.

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

a)

True

b)

False

14.
 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
15.
 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