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Worksheetstest your knowledge
Total questions: 29
Worksheet time: 17mins
You should never ______ chemicals in the lab.
write about
use
If a fire erupts, immediately
notify the teacher.
run for the fire extinguisher.
throw water on the fire.
open the windows.
If you do not understand a direction or part of a laboratory procedure, you should
figure it out as you do the lab.
try several methods until something works.
ask the teacher before proceeding.
skip it and go on to the next part.
Long hair in the laboratory must be
cut short.
held away from the experiment with one hand.
always neatly groomed.
tied back or kept entirely out of the way with a hair band, etc.
Horseplay, practical jokes, or pranks in the classroom are
always against the rules.
okay.
not dangerous.
okay if you are working alone.
If a piece of equipment is not working properly, stop, turn it off, and tell
the principal.
your lab partner.
your best friend in the class.
the teacher.
All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous.
True
False
Work areas should be kept clean and tidy.
True
False
Laboratory work may be started immediately upon entering the laboratory even if the teacher is not yet present.
True
False
Never remove chemicals, specimens, or other equipment from the laboratory.
True
False
You can walk around the classroom or lab while performing an experiment because you may need to see what another group is doing.
true
false
You should not eat or drink while performing experiments.
true
false
You should not take any materials out of the classroom without your teacher's permission.
true
false
You walk into lab and see chocolate chips on the plate you should....
eat them before your lab partner sees them
throw them away
do not touch and wait for your teacher's instructions
put them in your bookbag to eat during snack
You should never ______ chemicals in the lab.
write about
use
If a fire erupts, immediately
notify the teacher.
run for the fire extinguisher.
throw water on the fire.
open the windows.
If you do not understand a direction or part of a laboratory procedure, you should
figure it out as you do the lab.
try several methods until something works.
ask the teacher before proceeding.
skip it and go on to the next part.
