Lab Safety Review
Run this PowerPoint presentation
to help you study. You should also
use your notes!!!!!
True or False?
Chemicals that are safe by themselves
will not be hazardous when mixed
together.
FALSE
Just because a chemical is not hazardous by
itself does not ensure that it will not be
hazardous when mixed with another chemical.
True or False?
Eating and drinking is not permitted in
the laboratory.
TRUE
True or False?
It is not necessary to wash your hands
after every laboratory experiment.
FALSE
You should always wash your hands after every
experiment!!!!
True or False?
All sharp and pointed objects should be
handles with extreme care.
TRUE
Make sure the pointed end of scissors or
anything sharp is always facing down!!!
True or False?
It is unnecessary to report broken or
chipped glassware or slides to the
teacher.
FALSE
Tell your teacher ASAP about any accidents or
broken equipment!!!!
True or False?
All glassware, equipment, and your
work station area should be cleaned
as soon as you have finished your
investigation.
TRUE
True or False?
Goggles only need to be worn when
performing dissections.
FALSE
You must wear goggles whenever you are
working with heat or chemicals AND whenever
your teacher tells you too!!!
True or False?
When heating materials in a test tube,
make sure the test tube is facing
away from you and your partner.
TRUE
True or False?
Direct viewing of the sun is ok as long
as you have sunglasses on.
FALSE
Direct viewing of the sun should be avoided at all
times.
True or False?
It is ok to dump a chemical down the
sink.
FALSE
Many chemicals CANNOT be discarded down the
sink!!!
True or False?
If any glassware breaks, the student
should clean it up right away.
FALSE
You must notify your teacher right away if any
glassware breaks. Your teacher will clean it up
and put the broken glass in a special box that is
used for broken glass.
True or False?
Perform only those experiments for
which you have been instructed.
TRUE
Let’s review…
Identify the improper lab procedure observed in
the diagram.
1. He is not wearing
goggles.
2. His hand is wet as
he is plugging in
electrical
equipment.
3. The end of the
knife and a glass
jar is on the edge
of the desk.
4. The glass jar is
cracked.
Identify the improper lab procedure observed in
the diagram.
1. He is not using the
wafting technique.
2. He is drinking a can
of soda as he is
performing a lab.
3. The student is
yanking the plug out
of the electrical
socket.
Identify the improper lab procedure observed in
the diagram.
She is not
using two
hands to carry
the
microscope.
Identify the improper lab procedure observed in
the diagram.
1. Students are joking
around.
2. The glass
erlenmeyer flask is
on a stack of books
where it can easily
fall off.
3. No one is wearing
goggles.
Identify the improper lab procedure
observed in the diagram.
1. The test tube
being heated is
facing the girl.
2. Both students
are not wearing
goggles.
3. The girl is not
paying attention
and is abut to
knock the
graduated
cylinder over.
Identify the improper lab procedure observed in
the diagram.
He is handling
an animal
without gloves,
Identify the improper lab procedure observed in the
diagram.
1. The student is
not wearing
goggles.
1. He is being
exposed to
NOXIOUS fumes.
This procedure
should have been
done in a fume
hood.