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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
an observation
B
materials for the lab
C
a game you can play
D
an educated guess
3) What should you do when you have long hair in the lab?
A
Tie it back
B
Talk to your hair stylist about a perm
C
nothing
D
Cut it
4) What is the correct P.A.S.S. procedure for a fire extinguisher?
A
Pull off the wall, Aim , Sweep the base , Squeeze the handle
B
Pull the pin, Aim hose, Sweep the hose , Squeeze the hose
C
Pull pin, Aim hose, Squeeze handle, Sweep the base of the fire
D
Pull pin, Aim hose , Sweep the base, Squeeze handle
5) An inference.. ..
A
one of the 5 five senses
B
is an assumption about an observation
C
is something you can touch
D
is something you can taste or hear
6) An observation
A
is made from experience
B
is an assumption
C
can be qualitative or quanitative
D
can't be made with the 5 senses
7) To put out a fire on a person
A
Throw water on them
B
Use the fire extinguisher
C
Pull them to the safety shower
D
Use the fire blanket
8) Non - Potable means
A
Not for use on lawns
B
Poisonous
C
Not Full of potatoes
D
Not Drinkable by people
9) Which one of these is a quantitative observation?
A
The pencil is 5 inches long.
B
The surface is rough.
C
The texture was smooth.
D
The candy is sour.
10) Which one of the following is a qualitative observation?
A
The powder weighs 38 kg.
B
The temperature is 45 degrees.
C
The room is 28 feet long
D
The shirt is blue.
*select an answer for all questions
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