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Lab Safety
Test Description: Lab safety
Instructions: Answer all questions to get your test result.
1) What is the correct way to heat a test tube in a lab?
A
Hold it with a test tube clamp and point the opening toward your teacher
B
Hold it with a test tube clamp and point the opening toward no other person
C
Hold it with a test tube clamp and point the opening toward your face
D
Hold it with a test tube clamp and point the opening toward your lab partner
2) A hypothesis is
A
materials for the lab
B
an educated guess
C
a game you can play
D
an observation
3) What should you do when you have long hair in the lab?
A
nothing
B
Tie it back
C
Cut it
D
Talk to your hair stylist about a perm
4) What is the correct P.A.S.S. procedure for a fire extinguisher?
A
Pull the pin, Aim hose, Sweep the hose , Squeeze the hose
B
Pull pin, Aim hose , Sweep the base, Squeeze handle
C
Pull off the wall, Aim , Sweep the base , Squeeze the handle
D
Pull pin, Aim hose, Squeeze handle, Sweep the base of the fire
5) An inference.. ..
A
is something you can taste or hear
B
one of the 5 five senses
C
is an assumption about an observation
D
is something you can touch
6) An observation
A
is an assumption
B
is made from experience
C
can't be made with the 5 senses
D
can be qualitative or quanitative
7) To put out a fire on a person
A
Use the fire blanket
B
Pull them to the safety shower
C
Throw water on them
D
Use the fire extinguisher
8) Non - Potable means
A
Not Drinkable by people
B
Poisonous
C
Not Full of potatoes
D
Not for use on lawns
9) Which one of these is a quantitative observation?
A
The texture was smooth.
B
The pencil is 5 inches long.
C
The candy is sour.
D
The surface is rough.
10) Which one of the following is a qualitative observation?
A
The room is 28 feet long
B
The powder weighs 38 kg.
C
The shirt is blue.
D
The temperature is 45 degrees.
*select an answer for all questions
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