CONCEPTS EXPLORED IN THIS LESSON ocular lens eyepiece body tube arm base light sourceilluminato r revolvingrotating nosepiece objective lenses coarse adjustment knob fine adjustment knob ID: 327118
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Slide1
MICROSCOPE PARTSSlide2
CONCEPTS EXPLORED IN THIS LESSON
ocular lens / eyepiece
body tubearmbaselight source/illuminato
rrevolving/rotating nosepieceobjective lensescoarse adjustment knob
fine adjustment knobstagestage clips
condenser lensdiaphragm Slide3
Do you know some of these parts?
Label as many parts as you can using the terms provided.
ocular lens / eyepiece
objective lenses
body tube
base
coarse adjustment knob
fine adjustment knob
stage
stage clips
diaphragm
arm
revolving nosepiece
light source / illuminator
condenser
A
G
F
E
D
C
B
K
H
J
I
M
L
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide4
A
G
F
E
D
C
B
K
H
J
I
M
L
ocular lens/eyepiece
objective lenses
body tube
base
coarse adjustment knob
fine adjustment knob
stage
stage clips
diaphragm
arm
revolving/rotating
nosepiece
light source/
illuminator
condenser
PARTS OF THE COMPOUND LIGHT MICROSCOPE
Did your labels look something like this?Slide5
A
Ocular Lens /
Eyepiece
Contains a lens to
_______
the image of the specimen.
The usual
m
agnification is
___
X.
magnify
10
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide6
Ocular Lens /
Eyepiece
Contains a lens to
_______ the image of the specimen.
The usual magnification is ___ X.Some microscopes have
___ ocular lenses.magnify
10
two
A
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide7
to correctly _____ the light from the specimen into the viewer’s eye.
Body Tube
It
________
the eyepiece to the objective lenses.connects
B
It ensures the correct
________
of the microscope components
alignment
direct
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide8
(the other should be under the ____).
One ____ should be around the arm when _______ the microscope
Arm
It
________ the body tube to the base. connects
hand
C
carrying
base
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide9
One ____ should be around the arm when _______ the microscope
It
________ the body tube to the base.
connectshand
C
carrying
Arm
(the
other should be
under
the
____
).
base
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide10
(the other hand should be holding the arm).
It contains the _________ and __________.
It ________ the weight of the microscope. One hand should be _____
the base while _______ the microscope
Base
supports
electronics
carrying
light source
D
under
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide11
It contains the _________ and __________.
It ________ the weight of the microscope.
Base
supports
electronics
light source
D
(
the other hand should
be holding the arm).
One hand should be
_____
the base while
_______
the microscope
carrying
under
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide12
and through the ____ in the stage
onto the ________ on the slide.
Light Source / Illuminator
It sends light
_______ through the _____________
hole
specimencondenser lens
upwards
E
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide13
and
through the ____ in the stage
onto the ________ on the slide.
Light Source / Illuminator
It sends light _______ through the _____________
Older microscopes used to use ______ to ______ the ambient light upwards.
holespecimen
condenser lens
mirrors
upwards
E
mirror
reflect
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide14
Revolving/Rotating Nose Piece
The
_____________
are attached to it.
_______ the nose piece allows you to _____ between the different lenses.
objective lenses
F
Rotating
switch
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide15
Objective Lenses
These lenses further
_______
the image of the specimen.
G
magnify
Low (scanning)
M
edium
H
igh
The magnifications are usually
___
,
____
and
____
.
4
X
10
X
40
X
4
X
10
X
4
0
XThere are usually __ lenses3
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide16
Objective Lenses
These lenses further
_______
the image of the specimen.
G
magnify
There are usually
__
lenses
3
b
ut some have
__
lenses.
4
The magnifications are usually
___
,
____
and
____
.
4
X
10
X
40
X
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide17
but the field of view (visible area) becomes _______.
Objective Lenses
G
PARTS OF THE COMPOUND LIGHT MICROSCOPE
L
ow
M
edium
H
igh
As the power increases, the magnification becomes
_____
,
larger
smallerSlide18
The ____ knob you should use, and always under ___ power.
Never use it in ____ power.
Coarse Adjustment Knob
low
first
H
high
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide19
The ____ knob you should use, and always under ___ power.
Never use it in ____ power.
to help put the specimen in _____.
H
I
Both knobs move the
_____
up and down
focus
The
______
knob you should use under
______
power
second
higher
stage
Fine Adjustment Knob
low
first
high
exact
for
_____
focusing.
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide20
Some microscopes have the two knobs located ___________________.
H
I
Fine Adjustment Knob
one on top of the other
PARTS OF THE COMPOUND LIGHT MICROSCOPE
The smaller one
on the bottom is always
the
____
adjustment knob.
fineSlide21
Stage
J
The stage is where you place the
____
which contains the
________
.
slide
specimen
It contains a
____
that allows
____
to pass through the stage and onto the specimen.
hole
light
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide22
Stage
Clips
J
The stage is where you place the
____
which contains the
________
.
slide
specimen
K
The stage clips
______
the slide on the stage.
secure
It contains a
____
that allows
____
to pass through the stage and onto the specimen.
hole
light
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide23
The lens under the stage that ___________ from the illuminator through to the ____ in the stage.
focuses light
Condenser Lens
L
hole
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide24
The lens under the stage that
___________
from the illuminator through to the ____ in the stage.
focuses light
Diaphragm
L
hole
It contains a dial that rotates to
_____
the
_____________
that reaches the specimen.
adjust
amount of light
M
PARTS OF THE COMPOUND LIGHT MICROSCOPESlide25
The End!