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LAB SAFETY PRE-ASSESSMENT

Total questions: 25

Worksheet time: 22mins

Name
Class
Date
1.
The lab equipment seen in the image should be worn during a lab investigation when...
a)
using glassware.
b)
using chemicals.
c)
using heat/fire.
d)
using any of the above.
2.
Identify the primary function of the lab equipment seen in the image.
a)
Mixing liquids
b)
Measuring liquid volume
c)
Mixing solids
d)
Measuring mass
3.
Identify the primary function of the lab equipment seen in the image.
a)
Transfer small amounts of liquid
b)
Transfer large amounts of liquid
c)
Measure liquid volume
d)
Mixing liquid chemicals
4.
Which of the following should NOT be worn during a lab investigation?
a)
Flip flops
b)
Loose, long hair
c)
Dangling jewelry
d)
All of the above
5.
To be read accurately, one must place a graduated cylinder on a flat surface and measure at the bottom of the _______________ curve.
a)
Centrifugal
b)
Capillary
c)
Meniscus
d)
Infinity
6.

A thermometer is used to measure temperature in which metric unit?

a)

Fahrenheit (°F)

b)

Celcius (°C)

c)

Kilometers (km)

d)

Liters (L)

7.
What does PPE stand for? 
a)
Personal Protective Equipment
b)
Protective Personal Equipment
c)
Penguins Pick Eggplant
d)
Personal Proper Equipment
8.

Hot glass looks the same as cold glass.

a)

True

b)

False

9.

Return all unused chemicals to their original containers.

a)

True

b)

False

10.
You and your lab partner are ready to conduct your lab.  You light you Bunsen burner and continue reading the procedures.  You need more materials you should
a)
have one person watch the Bunsen burner and the other get the materials.
b)
Decide who is getting what materials and both go get the materials to save time.
c)
Ask a neighboring lab group to watch your Bunsen burner.
d)
Continue with the lab and hope you really did not need the materials.
11.

When should you use the safety shower in the classroom?

a)

After P.E.

b)

After spilling chemicals onto your body

c)

Before going out on a date

d)

Never

12.
When working in the lab it is the expectation that...
a)
you work with only members of your group with a business like attitude
b)
you ask questions when in doubt about procedures
c)
you clean up before lab if needed and as you are doing lab 
d)
all of the above
13.

What do you do if chemicals get on your skin?

a)

i don't know ask Siri!

b)

just leave it alone

c)

call your mother

d)

Wash with water for 15 minutes and notify teacher

14.

Beakers are used

a)

to measure volume with high accuracy and precision

b)

to hold small amounts of dry chemicals

c)

to recover dissolved solids

d)

to mix and observe reactions

15.
Name the lab equipment. 
a)
test tube rack
b)
test tube holder
c)
tweezers
d)
tongs
16.
Name the lab equipment.
a)
Ring Stand
b)
Flask
c)
Beaker
d)
Bunsen Burner
17.
What should you do if you break glass in the lab?
a)
Tell the teacher, sweep up the glass, and put it in the broken glass container
b)
Tell the teacher, sweep up the glass, and dump it into the garbage
c)
Pick up the glass with your hands
d)
Ignore it; the teacher will clean it up
18.
What is special about graduated cylinders?
a)
They hold large quantities of liquid safely
b)
They measure small amounts very accurately. We use them when precision is important.
c)
They allow us to examine the liquid, we use them when looking for suspended solids.
d)
They are easily heated. We use graduated cylinders to heat liquids
19.

This symbol commonly is found in

chemistry labs and on trucks carrying

hazardous materials. What does it

mean?

a)

acid, touching it will lead to what you see in the picture

b)

harmful to living tissue, touching it is a bad plan

c)

cut or burn hazard, both living and non-living material

d)

corrosive, no touchy-touchy

20.
a)

ring stand

b)

ring clamp

c)

test tube rack

d)

test tube holder

21.

What safety symbol is this?

a)

biohazard

b)

radioactive

c)

toxic

d)

corrosive

22.

Identify this safety symbol.

a)

Poison/Toxic

b)

Bio Hazard

c)

Radioactive

d)

Corrosive

23.
Rebecca and Tamara were lab partners. Rebecca was heating  a solution over a Bunsen burner and wearing safety glasses. Tamara was standing behind her but didn’t wear glasses because she was at least 2 feet away. 
a)
Safe
b)
Unsafe
24.
Alexa and Jessica were absent the day of the lab and needed to make it up. They had talked with their friends about the lab and knew what they had to do, so they started without reading the directions. 
a)
Safe
b)
Unsafe
25.
An unknown chemical was sitting in a test tube. In order to figure out what it is Marco put his nose directly over the test tube and sniffed the substance. 
a)
Safe
b)
Unsafe

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