WorksheetsSafety & Measurement Review
Total questions: 22
Worksheet time: 17mins
What is the volume? ( V = l x w x h)
13 cm3
13 cm2
48 cm3
48 cm2
What is the volume? (V = l x w x h)
20 cm2
20 cm3
216 cm2
216 cm3
What is the volume? (V = l x w x h)
125 cm2
125 cm3
15 cm2
15 cm3
What is the volume in the graduated cylinder?
3 mL
35 mL
3.5 mL
3.1 mL
What is the volume in this graduated cylinder?
5 mL
6 mL
7 mL
8 mL
What is the volume of the hammer? (Hint: use the volume displacement method)
65 mL
69 mL
70 mL
4 mL
If a fire starts in the lab you should:
notify the teacher
run for the fire extinguisher
throw water on the fire
open the windows
Long hair in the laboratory must be
always neatly groomed.
tied back or kept entirely out of the way with a hair band, etc.
cut short.
held away from the experiment with one hand.
When should goggles be worn in the lab?
only if you do not have corrective glasses
to improve your vision
to avoid eye strain
any time chemicals, heat, or glassware are used
You have been injured in the laboratory (cut, burned, etc.). First you should
apply first aid yourself.
tell the teacher at once.
visit the school nurse after class.
see a doctor after school.
After completing an experiment, all chemical wastes should be
disposed of according to your teacher’s directions.
taken home
dumped in the sink.
left at your lab station for the next class.
If you do not understand a direction or part of a laboratory procedure, you should
try several methods until something works.
skip it and go on to the next part.
figure it out as you do the lab.
ask the teacher before proceeding.
Before you leave the science room, you should
clean your work area and equipment.
return all equipment to the proper storage area.
wash your hands with soap and water.
All of the above
The following activities are allowed in the laboratory:
drinking
eating
chewing gum
None of the above.
When you finish working with chemicals, biological specimens, and other lab substances, always
wipe your hands on your clothes
treat your hands with skin lotion.
wash your hands thoroughly with soap and water.
wipe your hands on a towel.
If a piece of equipment is not working properly, stop the experiment and tell
your lab partner.
your best friend in the class.
the teacher
the principal.
Horseplay, practical jokes, or pranks in the classroom are
always against the rules.
okay.
not dangerous.
okay if you are working alone.
Which of the following should NOT be worn during a laboratory activity?
loose clothing
dangling jewelry
sandals
All of the above
All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous.
True
False
Laboratory work may be started immediately upon entering the laboratory even if the teacher is not yet present.
True
False
Read all procedures thoroughly before performing a laboratory investigation.
True
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
