Lab Safety Lesson

© Amy Brown Science

Laboratory

Safety

Better safe,
than sorry!

General Safety in the Laboratory

The following lab rules must be observed at all times.

Wear laboratory aprons and safety
glasses when instructed. Safety
goggles should be worn any time you
are working with an open flame,
chemical substances, or using a
mechanical device. Safety aprons
should be worn when working with
any chemicals that may splash.

No rough play (running, throwing) of any
kind will be tolerated. Conduct yourself in
a responsible manner at all times.
Horseplay, practical jokes, and pranks are
dangerous and prohibited.

Never perform unauthorized experiments.
Directions must be followed exactly as
stated in the lab handouts or by the teacher.

Shoes must be

worn in the
laboratory.

Avoid wearing

loose fitting

clothing.

Remove any

dangling jewelry.

No food or

drink is

allowed in the

lab. Do not
chew gum.

Never
drink
from

laboratory
glassware.

Nevermix,
touch, taste,
heat, or inhale
chemicals unless
you are told to
do so.

Report any spills to the
teacher immediately so
that they may be cleaned
up in the proper manner.

Report all accidents to the
instructor no matter how
minor.

What are the three main
safety rules when working
with open flames?

Wear
safety
goggles!

Secure loose
clothing!

Tie back
long hair!

Do not use
chipped,
cracked,
or broken
glassware.

Be sure all gas jets,

electrical

connections, and
water faucets are

turned off at the end

of the lab period.

Do not let electrical
cords dangle from
work stations. This
can cause you to trip

or to drag the

equipment off the lab

bench.

Wash your hands

with soap and
water before

leaving the lab.

To avoid

contamination, never

return unused

chemicals to their
original containers.
Unused chemicals
should be disposed

of properly.

Safety Equipment

✔

These are the safety
features of our lab. You
must know the location
and the proper use of
each:

✔

Eyewash Fountain

✔

Emergency Safety
Shower

✔

Fire Extinguisher

✔

Fire Blanket

✔

Fire Alarm

Turn off the water and gas. Disconnect
electrical devices.

Return all materials to their proper places.

Dispose of all chemicals
according to your teacher’s
instructions.

Clean your work area.

Wash your hands with soap
and water.

Multiple Choice

What should be done with chemical waste after completing an experiment?

• Leave it at your station

• Dispose of it properly

• Dump it in the trash

• Pour it down the sink

Multiple Choice

If a laboratory fire erupts, immediately _________.

• Run for the fire extinguisher.

• Notify your instructor.

• Throw water on the fire.

• Open the windows.

Multiple Choice

What should you do if a piece of equipment breaks?

• Keep it to yourself

• Tell your lab partner

• Notify your instructor

• Clean it up by yourself

Multiple Choice

If a lab experiment is not completed you should _______.

• Discuss the issue with your teacher.

• Sneak in after school and work alone.

• Come in durin glunch and finish.

• Make up some results.

Multiple Choice

What should you do if you do not understand part of the lab instructions?

• Ask your instructor for help

• Skip that part of the lab

• Ask your lab partner

• Figure it out during the lab

Multiple Choice

You are heating a substance in a test tube. Always point the open end of the test tube ________.

• Toward yourself.

• Toward your lab partner.

• Toward another classmate.

• Away from all people.

Multiple Choice

What should you do if you are injured during a lab?

• See the school nurse after class

• See a doctor after school

• Attempt first aid on your own

• Notify your instructor immediately

Multiple Choice

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

• Use a rag or paper towel.

• Pick up the end that looks cooler.

• Use tongs.

• Pour cold water on it.

Multiple Choice

What should you do after completing a lab in which chemicals or biological specimens were used?

• Wipe your hands on your clothing

• Wash your hands with soap and water

• Wipe your hands with a paper towel

• Rub some skin lotion on your hands

Multiple Choice

Personal eyeglasses provide as much protection as ________.

• A face shield.

• Safety goggles/glasses.

• Splash proof chemical goggles.

• None of these.

Multiple Choice

What should be done with long hair before starting a lab?

• Do nothing, let it hang freely

• Hold it back with your hand

• Tie it back out of the way

• Use a hat to hold it back

Multiple Choice

The following footwear is required in the lab ________.

• Sandals.

• Open-toe shoes.

• Closed-toe shoes.

• Shoes appropriate for the weather.

Multiple Choice

What type of footwear would be best worn in a laboratory?

• High Heels

• Sandals

• Sneakers

• Flip-Flops

Multiple Choice

True or False:

IF acid splashes on your skin you should rinse ONLY with lots of water, no soap.

• True

• False

Multiple Choice

When is horseplay, or goofing around, acceptable in a laboratory?

• Always

• Sometimes

• Never

• Depends

Multiple Choice

True or False:

Return all unused chemicals to their original containers.

• True

• False

Multiple Choice

What is the safest way to smell a substance during a lab?

• Lean over and smell it directly

• Put it on your hand and smell it

• Waft the air towards your face

• Lift the substance to your nose

Multiple Choice

True or False:

Chipped or cracked glassware is ok to use.

• True

• False

Multiple Choice

Why are food and drink not permitted during an experiment?

• They could make your lab partner hungry

• They could attract ants and other insects

• They could make your instructor hungry

• They could contaminate the experiment

Multiple Choice

You are required to wear goggles when ________.

• chemicals are used.

• heated glass is used.

• working with fire.

• chemicals, heated glass, or fire are being used.

Multiple Choice

What should you do with your station after completing the lab?

• Clean it up properly

• Leave it for someone else

• Throw everything away

• Push everything to one side

Multiple Select

What are the consequences of ignoring lab safety?

• You get hurt

• You fail the lab

• You lose lab privileges

• You bring about the zombie apocalypse