Unit 2.1 Revision Yr8 Science textbook

Question 1

Name the lenses found in a light microscope?

Answer 1

Objective lens and the eyepiece or ocular lens.

Question 2

What are the units used to measure microscopic objects?

Answer 2

Micrometre (um)

Question 3

Name another type of light microscope

Answer 3

Stereo Microscope and Compound microscope

Question 4

Name a type of electron microscope

Answer 4

Transmission electron microscope (TEM) and Scanning electron Microscope (SEM)

Question 5

Define microscopic

Answer 5

Something so small it is barely visible

Question 6

Define Specimen

Answer 6

A individual animal, plant, piece of mineral used as a example

Question 7

Define Image

Answer 7

A capture of something happening

Question 8

Describe what happens to the image in a monocular microscope when the image moves downwards.

Answer 8

The image seems to move forwards

Question 9

Describe what happens to the image in a monocular microscope when the image moves left

Answer 9

The image seems to move right

Question 10

Describe what happens to the image in a monocular microscope when the image moves right

Answer 10

The image seems to move left

Question 11

Explain why the specimen prepared for a monocular microscope must be thin

Answer 11

So that you can view the specimen

Question 12

How to calculate the magnification of a microscope

Answer 12

x = magnified by
The ocualr lens magnification multiplied by the objective lens

Question 13

Explain why there is more detail in an image produced by a TEM microscope than a light microscope.

Answer 13

The TEM microscope offers a higher resolution that a light microscope