WorksheetsLab Practices
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
What should you do after working with specimens in the lab?
a)
Use skin lotion
b)
Wash with soap and water
c)
Wash with just water
d)
Wipe your hands on your clothes
2.
You should always hold containers near your face so you can see how you are pouring them.
a)
True
b)
False
3.
The Results section of a lab report should include data in both visual and written formats.
a)
True
b)
False
4.
The concept of being careful in your procedure is called:
a)
Consistency or being consistent
b)
Accuracy or being accurate
c)
Responsibility or being responsible
d)
Dependability or being dependable
5.
The safe way to smell a substance is to hold away from nose and use hand to fan smell toward you.
a)
True
b)
False
6.
The technical method of disposing of extra chemicals is to:
a)
Drink them
b)
Pour them down the drain
c)
Follow the teacher's directions
d)
Return them to their containers
7.
During a fire, the safest way to move through smoke is on your hands and knees with your face close to the floor.
a)
True
b)
False
8.
Looking at, touching, or smelling an object are all methods of observation.
a)
True
b)
False
9.
Before starting any lab, you should_________ first.
a)
locate safety equipment
b)
smell all the lab materials
c)
write the lab report conclusion
d)
get a calculator
10.
In a lab report, data should be analyzed in the Results section.
a)
True
b)
False
11.
What should you do if you begin using a piece of glassware and discover it has a small chip or nick in it?
a)
Continue using it as long as it's usable
b)
Stop and inform teacher
12.
If glass is broken what should you do...
a)
Pick it up
b)
Tell the teacher
c)
Leave it
13.
Read labels on containers and never use a chemical if the bottle is not labeled.
a)
True
b)
False
14.
When gathering glassware and equipment for a lab, you should:
a)
Read all the directions carefully
b)
Look for cracks and chips
c)
Clean dirty glassware
d)
All of the above
15.
If there is a fire, immediately ask for permission to use the fire extinguisher.
a)
True
b)
False
16.
If acid is splashed on your skin, you should _____.
a)
immediately wash the area with soap.
b)
immediately wash the area with water.
c)
immediately wipe the area with a paper towel.
d)
immediately wipe the area with your lab coat.
17.
When entering the lab, what should you do with the lab equipment?
a)
Whatever you want
b)
Carefully adjust the materials so you may work better
c)
Read the directions carefully and get to work
d)
Sit in your seats and leave the equipment alone
100 %
