Download Parts of a Microscope

Name _______________________________
Date _________________
Study Guide – Microworlds District Unit Test
Parts of a Microscope
Eyepiece
Label each part of the microscope.
Eyepiece
Stage clips
Objective lens
Stage
Base
Focus knob
Body
Mirror/Light
Body
Objective
Lens
Stage Clips
Stage
Focus Knob
Mirror/Light
Base
What is the function of each part of the microscope?
Part
Function/Purpose
Stage
An area that supports a slide
Objective lens
Magnification lenses
Mirror/Light
Provides light to view the specimen
Slide
A small, thin sheet of glass/plastic on which objects are
placed so they can be viewed under the microscope
Eyepiece
Magnifies image 10x
Stage clips
Holds the slide in place for viewing
Answer the following questions:
1. Can a flat, clear object magnify?
Why or why not?
No
To magnify, the object must be clear and
convex (curved)
1. Hand lens
2. Microscope
2. List 5 examples of magnifiers that
we used in class.
3. Sphere
4. Water drop on wax paper
5. Cylinder
3. What is the purpose of magnifiers?
Magnifiers: tools that make something appear
larger than it is
Microscope: To see things that you can’t see
Specifically, what is the purpose of a
with your naked eye (microscopic); to make
microscope?
things larger; to see more detail
4. Who was Anton Leuwenhoek?
A scientist who developed over 240
microscopes
What was his main accomplishment?
A scientist who sketched the observations he
made while looking through a microscope
5. Who was Robert Hooke?
1. Invented the barometer
What are 2 of his accomplishments?
2. Improved the microscope
3. ** Created the name “cell.”
6. What is binary fission?
Dividing oneself in half to produce to equal
twins (reproduce)
7. Explain the process of pasteurization. The process of heating liquid to a high
temperature to kill harmful bacteria
Why should vinegar be pasteurized?
It sterilizes the vinegar and destroys the
vinegar eels
8. What is the field-of-view?
The maximum area that is visible through the
lens of a microscope
9. Which microscopic organism lives in
a colony?
Volvox
10. What is another name for a wellslide?
List 3 specimens you would need a
well-slide to observe using a
microscope.
Well-slide = Depression Slide
1. Sponge
2. Poppy Seed
3. Volvox
1. Piece of hair
11. List 2 specimens you would need a
wet-mount slide to observe using a
microscope.
2. Feather
3. Fish Scales
4. Hay
1. Clear/Transparent
12. What three properties are needed
for magnification?
2. Round/Convex
3. Light
13. What is a concave lens?
A lens that is curved in (cave in); like the inside
of a bowl
Draw a picture.
14. What is a convex lens?
Draw a picture.
Curved out like the outside of a circle or
sphere (round)
13. What are the 2 plant-like
cells/organisms we observed using the
microscope?
1. Onion
14. What are the 2 animal-like
cells/organisms we observed using the
microscope?
1. Blepharisma
2. Volvox
2. Vinegar eels
Complete the table below:
Volvox
Blepharisma
Vinegar Eels
Illustration
(include labels)
*Label: daughter colonies,
flagella
Describe their
appearance
How do they
move?
*Label: cilia
*Label: digestive tract
Green algae
Has flagella
Sphere
Single-celled pear Transparent body
shaped organism Harmless
Rosy in color
roundworm
Thin
They use their
The hair-like cilia They have
whip-like tails to act like paddles to muscles that
move them
move them
move them with
through the water through the water powerful whip(Flagella)
like motions
Where can they
be found?
Lives in colonies
Ponds
Commonly found Lives in
in ponds
unpasteurized
vinegar
Plant-like or
Animal-like cell?
Plant-like
Animal-like
Animal-like
Complete the table below:
Poppy Seeds
Illustration
(include labels)
Describe the
Onion Cells
(plant cell)
Thread/Yarn
appearance
Label the parts of the plant and animal cells below:
Cytoplasm
Plant Cell:
Nucleus
Cytoplasm
Cell membrane
Vacuoles
Cell wall
Chloroplasts
Animal Cell:
Nucleus
Cytoplasm
Cell membrane
Vacuoles
Cell Wall
Vacuole
Cell
Membrane
Nucleus
Nucleus
Vacuole
Chloroplasts
Cytoplasm
Cell
Membrane
Fill in the table below:
Cell Part
Function
(Definition)
Nucleus
Controls and coordinates all activities and
functions of the cell
Cell wall
The rigid outermost cell layer found in plants and
certain algae, bacteria and fungi
Picture/ How I
will remember it
Cell
membrane
Chloroplasts
Vacuoles
Cytoplasm
Controls the flow of materials in and out of the
cell
Contains chlorophyll and is used by plants to
make food
A large fluid-filled sac that stores different
materials, including food and water
Mostly made up of water and contains the parts
(organelles) of a cell