WorksheetsLab safety
Total questions: 20
Worksheet time: 13mins
The term wafting means to ___________.
gently wave an odor from a substance to your nose for observational purposes.
making waffles with a hot plate.
slowly pour a substance down the drain for disposal.
cleaning glassware and other materials when finished with a lab.
( Fill in the blank) Long hair should be ____________ in the laboratory.
tied back
cut
down
curled
(True or False) Horse playing is allowed in the laboratory
true
false
(True or False) It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can
true
false
The following footwear is the best in the laboratory
sandals
open-toed shoes
closed-toe shoes
shoes appropriate for the weather
True or False: Laboratory work can be started immediately upon entering the laboratory even if the instructor is not yet present.
True
False
After completing an experiment, all wastes should be
taken home
tossed in the trash can
disposed of according to your teacher's directions
left out for someone else to clean
Approved eye protection devices (such as goggles) are worn in the laboratory
to avoid eye strain
to improve your vision
so that you look super cool
any time chemicals, heat or glassware are used
If chemicals comes in contact with your skin or eyes, you should rinse the area water for ___________ minutes.
15
5
2
10
You are heating a substance in a test tube. Always point the open end of the tube
away from all people.
toward yourself.
toward your lab partner.
toward another classmate.
You are heating a piece of glass and now want to pick it up. You should
pick up the end that looks cooler.
pour cold water on it.
use a rag or paper towels.
use tongs
How should you dilute an acid?
Mix the acid with other chemicals.
Pour the acid down the drain.
Slowly pour the acid into water while stirring.
Slowly pour water into the acid while stirring.
Flammable materials, like alcohol, should never be dispensed or used near
an open door
another student.
an open flame
