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Worksheets

Exploring Life

Total questions: 30

Worksheet time: 45mins

Name
Class
Date
1.
_____ is the ability of a microscope to make objects appear larger.
a)
magnification
b)
resolution
c)
refraction
d)
reflection
2.

The _____ of a microscope is a measure of how close two points of an image can be, yet still be seen as separate.

a)

resolution

b)

magnification

c)

density

d)

mass

3.

In the mid-1600s, English scientist _____ was the first to observe the smallest unit of life with a microscope and to call them "cells."

a)

Robert Hooke

b)

Aristotle

c)

Carolus Linnaeus

d)

Anton van Leeuwenhoek

4.
A(n) _____ microscope uses light and one lens to enlarge an image of an object.
a)
simple light
b)
compound light
c)
transmission electron
d)
scanning electron
5.
A(n) _____ microscope uses light and more than one lens to magnify an image.
a)
compound light
b)
simple light
c)
transmission electron
d)
scanning electron
6.
A(n) _____ microscope has an ocular lens and an objective lens.
a)
compound light
b)
simple light
c)
transmission electron
d)
scanning electron
7.

A(n) _____ microscope can't be used to view living organisms.

a)

transmission electron

b)

compound light

c)

simple light

d)

stereoscopic binocular

8.
A(n) _____ microscope uses a magnetic field to focus a beam of tiny particles through or onto an object.
a)
electron
b)
simple light
c)
compound light
d)

stereoscopic binocular

9.
A(n) _____ microscope has the highest magnification.
a)
electron
b)
simple light
c)
compound light
d)

stereoscopic binocular

10.

Simple and compound light microscopes have _____ levels of magnification and resolution compared to electron microscopes.

a)

lower

b)

higher

c)

similar

d)

better

11.

If the ocular lens of a microscope has 10× magnification and the objective lens has 40× magnification, what is the total magnification?

a)

400×

b)

50×

c)

30×

d)

12.

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?

a)

100×

b)

25×

c)

15×

d)

13.

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?

a)

80×

b)

42×

c)

38×

d)

20×

14.

SEMs and TEMs are types of _____.

a)

electron microscopes

b)

compound microscopes

c)

simple light microscopes

d)

stereoscopic binocular microscopes

15.

In a(n) _____, electrons bounce off an object to create a 3D image of its surface.

a)
scanning electron microscope
b)
transmission electron microscope
c)
compound microscope
d)
simple light microscope
16.
In a(n) _____, electrons pass through an object.
a)
transmission electron microscope
b)
scanning electron microscope
c)
compound microscope
d)
simple light microscope
17.

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.

a)

Anton van Leeuwenhoek

b)

Robert Hooke

c)

Carolus Linnaeus

d)

Aristotle

18.

A(n ______ produces an image of the tiny structures inside a cell.

a)

transmission electron microscope

b)

scanning electron microscope

c)

compound microscope

d)

simple light microscope

19.

Identify Part 1. Hint - It contains the magnifying lens you look through.

a)

ocular lens (eyepiece)

b)

low-power objective

c)

high-power objective

d)

body tube

20.

Identify Part 2. Hint - It supports the body tube.

a)

arm

b)

body tube

c)

base

d)

stage

21.

Identify Part 3. Hint - It contains the lens with the least magnification.

a)

low-power objective

b)

ocular lens (eyepiece)

c)

course focus adjustment

d)

fine focus adjustment

22.

Identify Part 4. Hint - It holds the microscope slide in place.

a)

stage clips

b)

base

c)

lamp (or mirror)

d)

revolving nosepiece

23.

Identify Part 5. Hint - It focuses the image under low power.

a)

course focus adjustment

b)

fine focus adjustment

c)

revolving nosepiece

d)

high-power objective

24.

Identify Part 6. Hint - It sharpens the image under high magnification.

a)

fine focus adjustment

b)

course focus adjustment

c)

low-power objective

d)

ocular lens (eyepiece)

25.

Identify Part 7. Hint - It connects the eyepiece to the revolving nosepiece.

a)

body tube

b)

arm

c)

base

d)

revolving nosepiece

26.

Identify Part 8. Hint - It holds and turns the objectives into viewing position.

a)

revolving nosepiece

b)

arm

c)

body tube

d)

ocular lens (eyepiece)

27.

Identify Part 9. Hint - It contains the lens with the greatest magnification .

a)

high-power objective

b)

course focus adjustment

c)

low-power objective

d)

ocular lens (eyepiece)

28.

Identify Part 10. Hint - It supports the microscope slide.

a)

stage

b)

base

c)

arm

d)

low-power objective

29.

Identify Part 11. Hint - It provides light that passes upward through the diaphragm, the specimen, and the lenses.

a)

lamp (or mirror)

b)

stage

c)

stage clips

d)

body tube

30.

Identify Part 12. Hint - It provides support for the microscope.

a)

base

b)

stage

c)

arm

d)

body tube