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Safety and Lab Equipment

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.

Flammable materials, like alcohol, should never be dispensed or used near

a)

an open door

b)

an open flame

c)

another student

d)

a sink

2.
 If you do not understand a direction or part of a lab procedure, you should 
a)
skip it and go on to the next part.
b)
ask the instructor before proceeding
c)
try several methods until something works
d)
figure it out as you do the lab
3.
You are heating a substance in a test tube. Always point the open end of the tube 
a)
away from all people
b)
toward another classmate
c)
toward your lab partner
d)
toward yourself
4.
While performing lab using acids and bases you accidentally splash acid all over your face.  What piece of safety equipment should you use immediately?
a)
fire blanket
b)
fire extinguisher
c)
eye wash station
d)
safety shower
5.
Which should not be used to measure the volume of a liquid?
a)
beaker
b)
graduated cylinder
c)
syringe
d)
pipette
6.
What safety symbol is this?
a)
Clothing Protection
b)
Hand Protection
c)
Eye Protection
d)
Sharp Object Hazard
7.
What hazard does this symbol indicate?
a)
flammable
b)
electrical
c)
poison
d)
caustic
8.
Which of the following does NOT help explain why contact lenses should not be worn in lab?
a)
It is difficult to remove lenses after a chemical splashes on them.
b)
The lens is permeable (things pass through it) which causes irritation.
c)
Chemicals trapped under the lens will cause severe damage to the eye.
d)
The boy or girl that you like can not tell the true color of your eyes.
9.

This is called_______________________?

a)

Erlenmeyer Flask

b)

Test Tube

c)

Safety Gloves

d)

Volumetric Flask

10.
You should clean equipment :
a)
before you use it.
b)
after you use it.
c)
cleanliness doesn't matter.
d)
before and after you use it
11.
What is the correct procedure to follow when smelling the odor of a chemical substance?
a)
Fan your hand over the substance toward your nose which should be directly under the beaker.
b)
Place your nose directly over the substance and take a big whiff.
c)
Fan your hand over the substance toward your nose which should be several centimeters away from the substance.
d)
Place your nose near the opening if the beaker and inhale.
12.
You have been injured in the laboratory (cut, burn, etc.). First you should
a)
apply first aid yourself
b)
tell the science instructor at once
c)
see a doctor after school
d)
visit the school nurse after class
13.
If an acid is splashed on your skin, wash at once with
a)
salt.
b)
oil.
c)
a base.
d)
plenty of water.
14.
What is used to store or heat chemicals?
a)
Beaker
b)
Flask
c)
Test Tube
d)
Graduated Cylinder
15.

P.A.S.S. refers to what?

a)

A place assigned in school for self reflection

b)

Pour all solutions slowly

c)

How to use a fire extinguisher.

d)

What to get when I go to the restroom.

16.
When mixing acid and water, what is the proper procedure?
a)
pour water into acid
b)
pour acid into water
c)
pour both together
d)
do not ever mix together
17.

Function of a beaker...

a)

stirring and mixing liquids

b)

transferring solids

c)

grips and lifts objects

d)

measure amount of liquid you need in an experiment

18.
Function of graduated cylinder...
a)
Measures mass
b)
Measures volume
c)
Measures length
d)
Mixes chemicals
19.
 Horseplay or practical jokes in the laboratory are 
a)
okay if you are working alone
b)
not dangerous
c)
okay
d)
always against the rules
20.
Goggles must be worn when using:
a)
fire.
b)
glassware.
c)
chemicals.
d)
All of the above.
21.
If you get chemicals in your eyes, you should flush them with water for:
a)
less than 10 minutes.
b)
15-20 minutes.
c)
10-12 minutes.
d)
you should never rinse your eyes.
22.
If glassware becomes chipped or broken
a)
notify the teacher immediately
b)
throw it in the trash
c)
don’t do anything, just keep working 
d)
put it up on the counter so that the teacher can dispose of it
23.
You notice a beaker half full of a leftover powdered chemical and you are pretty sure you know which chemical it is.  You should
a)
Ask the teacher what to do with the chemical
b)
Pour the chemical back into the container you think it came from
c)
Pour the chemical into the garbage can
d)
Pour the chemical down the drain with the water running
24.
Name the following piece of lab equipment.
a)
scoopula
b)
pipet
c)
tongs
25.
When should you tie back long hair or baggy clothing?
a)
When working with chemicals
b)
When working with a Bunsen burner
c)
When doing dissections.
d)
Any time you are working in the lab.
26.

The following footwear is best in the laboratory.

a)

shoes appropriate for the weather

b)

crocs or flip flops

c)

closed-toed shoes

d)

sandals

27.
Appropriate dress for lab includes which of the following
a)
Closed toed shoes
b)
Pants/Sweats
c)
No dangling jewelry or strings from hoodies
d)
All of these answers are correct
28.
a)

ring stand

b)

utility clamp

c)

buret clamp

d)

iron ring

29.
a)
pipette holder
b)
wire gauze
c)
clay triangle
d)
crucible
30.

What is the name of this type of lab equipment?

a)

beaker tongs

b)

crucible tongs

c)

Grabbers

d)

test tube holder

31.
If you do not understand a direction or part of a laboratory procedure, you should
a)
Figure it out as you do the lab
b)
Skip it and go on to the next part.
c)
Ask the teacher before proceeding.
d)
Try several methods until something works.
32.
When working in the lab, you always...
a)
work with only members of your group with a business-like attitude
b)
ask questions when in doubt about procedures
c)
clean up after yourself 
d)
all of the above
33.

During lab, what do you do first?

a)

read all directions

b)

wash your hands

c)

gather your materials

d)

get the fire extinguisher

34.

If you do not understand a direction or part of a laboratory procedure, you should

a)

ask the teacher before proceeding.

b)

skip it and go on to the next part.

c)

figure it out as you do the lab.

d)

try several methods until something works.

35.

You are heating a piece of glass and now want to pick it up. You should

a)

Use a rag or paper towels

b)

Pick up the end that looks cooler

c)

Use tongs

d)

Pour cold water on it

36.

If you wear contact lenses in the school laboratory,

a)

Take them out before starting the lab

b)

You do not have to wear protective goggles

c)

Advise your science instructor that you wear contact lenses

d)

Keep the information to yourself

37.

Personal eyeglasses provide as much protection as

a)

A face shield

b)

Safety glasses

c)

Splash proof chemical protector

d)

none of the above

38.

When you finish working with chemicals, biological specimens, and other lab substances, always

a)

Treat your hands with hand sanitizer

b)

Wash your hands thoroughly with soap and water

c)

Wipe your hands with a clean paper towel

d)

Wipe your hands on your lab apron and hurry to class

39.

If a lab experiment is not completed, you should

a)

Discuss the issue with your instructor

b)

Come in during lunch and finish while eating lunch

c)

Sneak in after school and work it out

d)

Make up some results

40.

You should pipette by mouth:

a)

Always . It's a fast and efficient method of measuring liquids

b)

Only when you can not find a pipette bulb

c)

Only when you are sure your instructor is not looking

d)

Never. You might just end up being very sick

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