WorksheetsScience Safety Practice Quiz
Total questions: 20
Worksheet time: 10mins
When you finish working in the laboratory, 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
If a piece of equipment is not working properly, stop, turn it off, and tell _____ .
the custodian
your lab partner
your best friend in class
your instructor
Horseplay or practical jokes in the laboratory are ______.
always against the rules
okay
not dangerous
okay if you are working alone
Which of the following is the best footwear for the laboratory?
sandals
open-toed shoes
closed-toed shoes
shoes appropriate for the weather
All chemicals in the lab are considered dangerous.
False
True
Long hair in the laboratory must be ______.
cut short
held away from the experiment with one hand
always neatly groomed
kept entirely out of the way with hair band, hair pins, etc.
When gathering glassware and equipment for an experiment, you should ______.
read instructions carefully to identify necessary equipment
examine all glassware to check for chips or cracks
clean any glassware that appears dirty
all others are correct
You have been injured in the laboratory (cut, burn, etc.) First, you should ___ .
visit the school nurse after class
see a doctor after school
tell your instructor at once
apply first aid yourself
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 over it
All work areas should be dirty and messy.
True
False
If a lab experiment is not completed, you should _______.
discuss the issue with your instructor
sneak in after school and work alone
come in during lunch and finish while eating lunch
make up some results
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
After completing an experiment, all chemicals should be _____ .
left at your lab station for the next class
disposed of according to your instructor’s directions
dumped in the sink
taken home
Goggles are worn over your eyes in the laboratory ____ .
to avoid eye strain
to avoid eye strain
only if you do not have corrective glasses
any time chemicals, heat, or glassware are used
Labs are started immediately upon entering the lab room.
True
False
If you do not understand a direction or part of the instructions you should _____ .
figure it out as you do the lab
try several methods until something works
ask the instructor before proceeding
skip it and go on to the next part
If an acid is splashed on your skin, wash it at once with soap and lots of water.
True
False
If a laboratory fire erupts, immediately ______.
notify your instructor
run for the fire extinguisher
throw water on the fire
open the windows
Flammable materials, like alcohol, should never be near ____ .
an open door
an open flame
another student
a sink
All unauthorized experiments are prohibited.
True
False
