WorksheetsLab Safety Review
Total questions: 25
Worksheet time: 13mins
Flammable materials, like alcohol, should never be dispensed or used near
an open door.
an open flame.
another student.
a sink.
If a laboratory fire erupts, immediately (first)
notify the teacher.
run for the fire extinguisher.
throw water on the fire.
open the windows.
Approved eye protection, such as goggles, are worn in the lab
to avoid eye strain.
to improve your vision.
only if you don't have corrective glasses.
any time chemicals, heat, or glassware are being used.
If you do not understand a direction or part of a lab procedure, you should
figure it out as you go.
try several methods until something works.
ask the teacher before moving on.
skip it and do the next step.
You are heating a substance in a test tube. Always point the open end of the tube
toward yourself.
toward your lab partner.
toward another classmate.
away from all people.
You are heating a piece of glass and now want to pick it up. You should
use a rag or paper towel.
pic up the end that looks cooler.
use tongs.
pour cold water on it.
You have been injured in the lab (cut, burn, etc.). First, you should
visit the nurse after class.
see a doctor after school.
tell the science teacher right away.
apply first aid yourself.
When gathering equipment for an experiment, you should
read all directions carefully to know what you need to use.
examine all glassware to check for chips or cracks.
clean any glassware that appears dirty.
All of the above.
Long hair in the lab must be
cut short.
held away from the experiment with one hand.
kept neat and tidy.
tied back or kept entirely out of the way with a hair tie or clip.
In the lab, the following should not be worn.
loose clothing.
dangling jewelry.
sandals.
All of the above.
The following footwear is best in the lab.
sandals.
open-toed shoes.
closed-toed shoes.
shoes appropriate for the weather.
Horseplay, jokes, or messing around in the lab are
always against the rules.
okay.
not dangerous.
okay if you are working alone.
If a piece of equipment is not working correctly, stop, turn it off, and tell
the custodian.
you lab partner.
your best friend.
the science teacher.
If an acid is splashed on your skin, immediately wash with
soap.
oil.
weak base.
plenty of water.
When you finish working with chemicals, biological specimens, and other lab substances, always
treat your hands to lotion.
wash your hands thoroughly with soap and water.
wipe your hands off with a rag.
wipe your hands on your clothes.
Hot glass looks the same as cold glass.
True
False
All chemicals in the lab are to be considered dangerous.
True
False
Return all unused chemicals to their original containers after completing an experiment.
True
False
Work areas should be kept clean and tidy.
True
False
Lab work can be started immediately upon entering the classroom even if the teacher is not yet present.
True
False
Never remove chemicals or other equipment from the lab/science classroom.
True
False
Chipped or cracked glassware is okay to use.
True
False
Read all lab procedures thoroughly before beginning an experiment.
True
False
It's okay to pick up broken glass with your bare hands as long as the glass is thrown away in the trash.
True
False
Never leave a lit burner unattended.
True
False
