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WorksheetsExploring Life
Total questions: 30
Worksheet time: 45mins
The _____ of a microscope is a measure of how close two points of an image can be, yet still be seen as separate.
resolution
magnification
density
mass
In the mid-1600s, English scientist _____ was the first to observe the smallest unit of life with a microscope and to call them "cells."
Robert Hooke
Aristotle
Carolus Linnaeus
Anton van Leeuwenhoek
A(n) _____ microscope can't be used to view living organisms.
transmission electron
compound light
simple light
stereoscopic binocular
stereoscopic binocular
stereoscopic binocular
Simple and compound light microscopes have _____ levels of magnification and resolution compared to electron microscopes.
lower
higher
similar
better
If the ocular lens of a microscope has 10× magnification and the objective lens has 40× magnification, what is the total magnification?
400×
50×
30×
4×
A microscope has an ocular lens with a power of 5× and an objective lens with a power of 20×. What is the total magnification of the microscope?
100×
25×
15×
4×
A student views pond water under a microscope that has a 2× ocular lens and a 40× objective lens. How much larger do the pond water organisms appear under the microscope?
80×
42×
38×
20×
SEMs and TEMs are types of _____.
electron microscopes
compound microscopes
simple light microscopes
stereoscopic binocular microscopes
In a(n) _____, electrons bounce off an object to create a 3D image of its surface.
In the late 1600s, this Dutch scientist made a one-lens hand-held microscope that magnified images of tiny living organisms 270 times original size.
Anton van Leeuwenhoek
Robert Hooke
Carolus Linnaeus
Aristotle
A(n ______ produces an image of the tiny structures inside a cell.
transmission electron microscope
scanning electron microscope
compound microscope
simple light microscope
Identify Part 1. Hint - It contains the magnifying lens you look through.
ocular lens (eyepiece)
low-power objective
high-power objective
body tube
Identify Part 2. Hint - It supports the body tube.
arm
body tube
base
stage
Identify Part 3. Hint - It contains the lens with the least magnification.
low-power objective
ocular lens (eyepiece)
course focus adjustment
fine focus adjustment
Identify Part 4. Hint - It holds the microscope slide in place.
stage clips
base
lamp (or mirror)
revolving nosepiece
Identify Part 5. Hint - It focuses the image under low power.
course focus adjustment
fine focus adjustment
revolving nosepiece
high-power objective
Identify Part 6. Hint - It sharpens the image under high magnification.
fine focus adjustment
course focus adjustment
low-power objective
ocular lens (eyepiece)
Identify Part 7. Hint - It connects the eyepiece to the revolving nosepiece.
body tube
arm
base
revolving nosepiece
Identify Part 8. Hint - It holds and turns the objectives into viewing position.
revolving nosepiece
arm
body tube
ocular lens (eyepiece)
Identify Part 9. Hint - It contains the lens with the greatest magnification .
high-power objective
course focus adjustment
low-power objective
ocular lens (eyepiece)
Identify Part 10. Hint - It supports the microscope slide.
stage
base
arm
low-power objective
Identify Part 11. Hint - It provides light that passes upward through the diaphragm, the specimen, and the lenses.
lamp (or mirror)
stage
stage clips
body tube
Identify Part 12. Hint - It provides support for the microscope.
base
stage
arm
body tube
