The document describes various pieces of laboratory equipment and their purposes. It discusses equipment used for containing and transferring substances such as beakers, conical flasks, test tubes, petri dishes, and watch glasses. Measuring tools like electronic scales, measuring cylinders, and thermometers are also covered. Holding equipment includes boss heads, test tube racks, test tube holders, clamps, and retort stands. Heating apparatus like Bunsen burners, gauze mats, tripods, tongs, evaporating dishes, and clay triangles are detailed. Other tools mentioned are stirring rods, filter paper, rubber stoppers, safety glasses, and funnels.

1. Laboratory
Equipment
By
S.
Choi

2. Used
for
containing
&
transferring
A
beaker
is
used
to
mix,
heat
or
store
substances.
A
conical
flask
is
used
to
mix
and
store
substances
and
collect
filtered
substances.
Can
also
be
used
to
heat
substances.
A
test
tube
is
used
to
mix,
store
or
heat
small
amounts
of
substances.

3. Used
for
containing
&
transferring
A
petri
dish
is
used
to
hold
living
specimens
for
observa=on
and
to
grow
cultures.
A
watch
glass
is
used
to
hold
small
amounts
of
solids
when
being
weighed
or
moved.
A
spatula
is
used
for
moving
small
amounts
of
solid
from
one
place
to
another.
A
dropper
is
used
to
move
small
amounts
of
liquid
from
one
place
to
another.

4. Used
for
measuring
An
electronic
scale
is
used
to
measure
the
mass
of
a
substance
accurately.
A
measuring
cylinder
is
used
to
measure
the
volume
of
a
liquid
accurately.
A
thermometer
is
used
to
measure
the
temperature
of
a
substance
accurately.

5. Used
for
holding
A
boss
head
is
used
to
hold
a
clamp
onto
a
retort
stand.
A
test
tube
rack
(also
known
as
test
tube
stand)
is
used
to
hold
several
test
tubes
upright.
A
test
tube
holder
is
used
to
hold
a
hot
or
untouchable
test
tube.
A
clamp
is
used
to
hold
small
objects
at
a
specific
height
onto
a
retort
stand.
A
retort
stand
is
used
for
holding
or
suppor=ng
equipment
at
a
specific
height.
OFen
used
with
a
boss
head
and
a
clamp.

6. Used
for
hea=ng
A
heat
proof
mat
is
used
to
protect
benches
from
being
damaged
by
fire
or
hot
matches
A
Bunsen
burner
is
used
for
hea=ng
and
exposing
substances
to
flame.
A
gauze
mat
(also
known
as
wire
gauze)
is
used
to
spread
the
heat
of
the
Bunsen
burner
flame
and
support
a
container
over
a
Bunsen
burner
while
it
is
heated.
A
tripod
is
used
to
support
a
gauze
mat
or
clay
triangle
above
the
Bunsen
burner
during
hea=ng

7. Used
for
hea=ng
A
pair
of
tongs
is
used
to
hold
a
small
object
while
it
is
heated.
An
evaporaAng
dish
(also
known
as
evaporaAng
basin)
is
used
to
heat
small
amounts
of
substances
or
evaporate
small
amounts
of
liquids.
A
clay
triangle
is
used
to
hold
crucibles
and
evapora=ng
basins
while
it
is
heated.
A
crucible
is
used
to
heat
small
amounts
of
substances
to
very
high
temperatures.

8. Others
A
sArring
rod
is
used
to
s=r
substances.
A
filter
paper
is
used
with
the
funnel
to
filter
substances
A
rubber
stopper
is
used
to
plug
a
flask
or
a
test
tube
for
safekeeping
A
pair
of
safety
glasses
(also
known
as
safety
goggles
or
protecAon
glasses)
is
worn
to
project
the
eyes.
A
funnel
is
used
to
pour
liquids
into
small
openings
without
spilling