Lab Safety Highlights

1

All information based
from Flinn Scientific
Safety Contract

Lab Safety
Highlights

General
Rules

Rule 1: Always
conduct yourself
responsibly in the
lab.

Rule 2: Follow all
written and verbal
instruction, don’t mess
with anything you
aren’t supposed (6) to
or start until told (4).

Rule 5- No food or
drink or gum in the
lab

2

Multiple Choice

Which of the following is true?

• You have a copy of the directions if needed.

• The teacher will tell you what to do so you don't need written directions.

• Listen to verbal directions and read the directions before starting a lab.

• Read the directions as you go.

Multiple Choice

Which of the following is true?

• You cannot eat in the lab but you can have sealed water to drink.

• You cannot eat or drink in the lab, but you can have hard candy or chewing gum.

• You can eat and drink in the lab as long as you share.

• You cannot eat, drink, or chew gum in the lab.

General
Rules

Rule 3- Never work
alone

Rule 8- No horseplay,
jokes, or pranks

3

Rule 9-10: Keep
area organized and
clean up after
yourself

Multiple Choice

You can work alone in the lab.

• True

• False

Multiple Choice

Horseplay, pranks, and jokes in the lab are never okay.

• True

• False

Multiple Choice

Whose job is it to clean up your area after a lab?

• The Teacher

• The custodians

• Your partner's

• You and your group's if you are working in one

General
Rules

Rule 14- Dispose of
lab substances as
instructed.

Rule 15- Keep hands
away from face, mouth,
& body in lab.

Wash hands and your
area after every lab.

Rule 17-18: You
can’t go in storage
area without
permission & stay in
your assigned area.

4

Multiple Choice

Is it okay to wander during the lab if you are done with your job?

• no, you must stay in your area

• yes, as long as your part is done

Multiple Choice

When should you wash your hands?

• After every lab

• After labs in which you work with chemicals

• Only before a lab

• After the lab if something spills on you

General
Rules

Rule 20: Handle all
living organisms
humanely and
respectfully.

Rule 21: Always carry
sharp objects with
points pointed down
and away from your
body.

By default- if
anything is wrong,
tell the teacher
immediately

5

Multiple Choice

How do you carry sharp objects?

• pointed down and away from you

• in your backpack

• pointed out in front of you

• pointed up

Clothing (rules 23-26)

Rule 23: You must
wear goggles when
working with
1.

Heat

2.

Glass

3.

Chemicals

4.

Any combo of

Rule 24

Goggles are still
worn with glasses
and contacts

Rule 25
No baggy clothes or
dangly jewelry
Hair must be tied
back
Closed toed shoes
Aprons as needed (26)

6

Multiple Select

When do you wear goggles in the lab?

• working with heat

• working with glass

• working with chemicals

• working with plastic

Multiple Choice

If you have glasses or contacts, you do not have to wear goggles.

• True

• False

Multiple Choice

What type of shoes do you wear on lab days?

• sandals that are secure around your ankle

• closed toed shoes

• flip flops

• sneakers only

Accidents & Injuries (27-30)

Rule 27: Report any
accident, spills,
breakages, or injury
immediately to
teacher

Rule 29:
Chemicals in eyes=
eyewash station until
no longer hurts
Chemicals on self (a
lot) = fully clothed
chemical shower
Tell Instructor

Rule 30:
Tell instructor
immediately if a
mercury
thermometer
breaks- Do Not
Handle

7

Multiple Choice

If you splash a lot of chemicals on yourself, what piece of safety equipment should you use?

• eyewash station

• fire extinguisher

• chemical shower

• fire blanket

Multiple Choice

If you get chemicals in your eyes, what piece of safety equipment should you use?

• eyewash station

• chemical shower

• fire extinguisher

• fire blanket

Multiple Select

What should you report to the teacher?

• spills

• if anything breaks

• If anyone gets hurt

• what the weather is outside

Handling Chemicals (31-39)

Rule 31: All
chemicals are to be
considered
dangerous!

32: Always double
check labels

Rule 33: Don’t return
chemicals to original
container (14)
dispose as instructed

34: Don’t put your
mouth on anything

Rule 35: Always
hold things away
from your body

36: If using acids,
always add acid to
water

8

Multiple Choice

How do you hold, heat, and or mix substances?

• away from you and others

• pointed towards you

• close to you so you can see

• while standing in the aisle

Handling Chemicals (31-39)

Rule 37: Don’t put
flammable stuff
near flames or heat.

Rule 38: Everything
stays in the lab
unless instructed

31: When smelling
chemicals- WAFT by
holding away from
you and waving
your hand over the
chemicals towards
you

9

Multiple Choice

Why would you not put flammable stuff near flame or heat?

• because flammable stuff can catch on fire

• so it doesn't get warm

• flammable stuff needs to stay cold always

• so there is no clutter at your station

Multiple Choice

How do you smell chemicals?

• point the container towards your partner

• put your nose 1/2 inch above it and sniff

• hold a bit away from you and use your hands to circulate the air towards your nose

• put the container directly below your nose and breath in

Handling Glassware & Equipment
(40-40)

Rule 40: Carry
glassware vertically
(up and down- think
about carrying a
glass of water- how
would you hold it)

41: Never handle
broken glass

Tell the instructor!

44: Always remove
an electrical plug by
the plug- not the
cord!

10

Multiple Choice

Which is the correct way to handle glassware?

• vertically or up and down

• on its side

• with 2 hands

• however is most comfortable

Multiple Choice

What should you do if you accidently break glassware?

• clean it up carefully

• tell the teacher

• sweep it into the dustpan and put in broken glass bin

• hide it so the teacher doesn't get mad

Handling Glassware & Equipment
(40-40)

45 & 46-
examine glassware &
equipment before
and don’t use
chipped or cracked
glass or damaged
equipment- Tell the
instructor!

47: If you don’t
know or understand-
don’t guess . . . Read
and reread the
directions and then
ask the instructor!

48: Don’t put hot
glassware in cold
water- it may
shatter!!!

Lay aside to cool
(52)

11

Multiple Choice

What should you do with hot glassware?

• Set it aside to cool

• place under cold water to cool faster

• blow on it to cool it off faster

• hold onto it until it cools off and then put it away

Heating Substances (49-55)

49- Be cautious with
burners
Always light match
before turning on
and never reach over
flame.

Rule 50: Don’t leave
hot stuff unattended
and turn off when not
using (we will be
using hotplates).

Rule 51: When
heating substances,
point away from
you and others.

53: Don’t look into a
container being
heated

12

Multiple Choice

Can you leave heating equipment unattended?

• only if it is a hot plate, not an open flame

• only if the hotplate is unplugged

• No

Heating Substances (49-55)

Rule 52: Hot glass looks
like cold glass and stays
hot long. Set aside on
lab table to cool. You
can use the back of
your hand held above it
to check if it is hot.
Use tongs or hot mit

By default:
●

Tell the
Instructor

●

Read all
directions

●

Follow all
directions

Use Common Sense!!!

13

Multiple Choice

Hot glass looks like cold glass.

• True

• False

Multiple Choice

What equipment do you use if a person is on fire?

• fire extinguisher

• fire blanket

• chemical shower

• eyewash station

Multiple Choice

What piece of equipment do you use if stuff is on fire?

• fire blanket

• fire extinguisher

• chemical shower

• eyewash station