No student devices needed. Know more
21 questions
If a laboratory fire erupts, immediately _________.
Run for the fire extinguisher.
Notify your instructor.
Throw water on the fire.
Open the windows.
You are heating a substance in a test tube. Always point the open end of the test tube ________.
Toward yourself.
Toward your lab partner.
Toward another classmate.
Away from all people.
The following footwear is required in the lab ________.
Sandals.
Open-toe shoes.
Closed-toe shoes.
Shoes appropriate for the weather.
True or False:
Return all unused chemicals to their original containers.
True
False
( Fill in the blank) Long hair should be ____________ in the laboratory.
tied back
cut
down
curled
Hot glass looks the same as cold glass.
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
When is it OK to eat or drink at the lab tables?
Always
Only during group work, not during labs
Never
Whenever I'm hungry
The following activity is permitted in the laboratory
chewing gum
eating
drinking
none of the above
Never remove chemicals, specimens, or other equipment from the laboratory.
True
False
in the lab, you should NEVER
taste substances being used
wear your goggles
pull your hair up if its long
wear close-toed shoes
When you finish working with chemicals, biological specimens, etc., always
treat your hands with skin lotion.
wash your hands thoroughly with soap and water.
wipe your hands on a towel.
wipe your hands on your clothes.
You are heating a piece of glass and now want to pick it up. You should
use a rag or paper towels.
pick up the end that looks cooler.
use tongs.
pour cold water on it.
If you are injured in the laboratory, you should first
visit the nurse after class.
see a doctor after school.
notify your science instructor.
apply first aid yourself.
Chipped or cracked glassware is okay to use in the laboratory.
True
False
Explore all questions with a free account