Halle Shelton
Name: ___________________
Staying Safe in the Lab
Determine if the following situation follows safety rules. If it does write yes. If not write no and
give the reason.
1. Bubba cannot find matches to light his Bunsen burner. The student next to him picks up a
lighted burner and says, ‘Here you can use my flame to light your burner”.
________________________________________________________________________
No,
Bubba should tell his instructor and ask for assistance. It is unsafe to use the
________________________________________________________________________
flame
from one burner to light another. It also violates the rule of doing the
experiment
as the procedure states, so unless Bubba is specically told by his
________________________________________________________________________
instructor
and
the procedures to light his burner with the flame he should not.
________________________________________________________________________
2. Jim Bob notices that the electrical cord on his microscope is frayed near the plug. He takes
the microscope to his teacher and ask for permission to use another one.
Yes
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
3. The directions in lab manual instruct students to pour a small amount of hydrochloric acid
into a beaker. Hawkeye puts on safety googles and a lab apron before pouring the acid into
the beaker.
Yes
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
4. Trapper John finds a paper clip on the floor' and becomes curious. He wants to know what
will happen if sticks the paper clip in the electrical outlet at his lab desk. His lab partners
agree, and he performs his experiment
NO, not only does it violate the rules about having items not required for the
________________________________________________________________________
_
experiment
in
your
workspace
it
is
also
very
dangerous.
As
it
was
on
the
floor
it
_______________________________________________________________________
also violates the rules of keeping your space clean as it is dirty.
________________________________________________________________________
________________________________________________________________________
BIOL 1510 | Safety in the Lab –Worksheet
1
5. While using ice in a lab, Major Burns puts a piece of ice down Captain Pierce’s shirt. To
get even Pierce grabs a handful and returns the favor.
No, this is not proper decorum for the lab.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
Determine the NFPA rating by looking up the MSDS of the following chemicals used
commonly in Biology II Lab. Indicate which has the highest flammable risk and health hazard
risk.
Water
Formaldehyde
Ethanol
3
0
2
2
0
0
BIOL 1510 | Safety in the Lab –Worksheet
0
3
0
2
List five Safety rules broken in the following picture.
1.
Scissors are stuck in an outlet
___________________________________________
2. Tim is beating another student with a book.
___________________________________________
3. Joe and Jim are injesting lab chemicals.
___________________________________________
4.
Bob is not being careful and is holding broken
___________________________________________
glass, instead of asking for help or cleaning it up.
___________________________________________
5.
Sue has her long hair down instead of tying it
___________________________________________
out
of the way properly.
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
BIOL 1510 | Safety in the Lab –Worksheet
3
What piece of safety equipment should be used to put out the fire in this picture?
The
emergency fire blanket.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
List two unsafe activities depicted in the illustration explain how it should be altered to make
them safe.
Jodi
having her long hair down is unsafe, this could be fixed by tying her hair up
________________________________________________________________________
in a bun. She should also be wearing saftey googles to protect her eyes. Mac is
________________________________________________________________________
holding
his testube with a clamp unsafely tilting toward jodi, this could be fixed by
________________________________________________________________________
setting
up a test tube holder and sitting it down.
________________________________________________________________________
BIOL 1510 | Safety in the Lab –Worksheet
4
How should rick correct his technique?
He should not be inhaling his chemicals, if he must smell it he should try lightly
________________________________________________________________________
wafting towards his nose.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
Are these students behaving appropriately? If not, what should they be doing differently?
No,
andrew should not be sipping from his beaker and if he needs to pipette he
________________________________________________________________________
should not pipette by mouth but rather use the correct tools. Rick should waft
________________________________________________________________________
instead of inhaling the chemicals. Sarah should poor one test tube at a time into
________________________________________________________________________
the
beaker, pouring both at once could trigger a reaction before they are inside
________________________________________________________________________
the
beaker.
Compare Evelyn’s technique with Kwan’s technique. Whose technique is the correct one?
Evelyns
technique is correct, you should never pipette by mouth.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
BIOL 1510 | Safety in the Lab –Worksheet
5
Identify 3 unsafe activities shown here?
1. The boys fighting with scissors is very unsafe.
________________________________________________________________________
2. The football and backpack in the floor are a safety hazard as someone could
________________________________________________________________________
trip.
________________________________________________________________________
3.The girls food and drink on her workspace is unsafe and could cause
contamination.
________________________________________________________________________
Explain alternative procedures for each activity you identify.
The
boys should be using the scissors to assist in the disection instead of
________________________________________________________________________
dueling. Before the disection they should all put their personal items away and
________________________________________________________________________
make sure their workspace is clean. They should leave all food and drink outside
________________________________________________________________________
the
lab.
________________________________________________________________________
BIOL 1510 | Safety in the Lab –Worksheet
6