Microscopes

Question 1

What is the equation for Real Size, Image Size and Magnification?

Answer 1

Image Size (cm)
Real Size (cm) = \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_

                          Magnification (X)

Question 2

How do Electron Microscopes work?

Answer 2

They use electrons to make pictures.
Transmission Microscopes take pictures when the electrons pass through the cell.
Scanning Microscopes detect electrons and take pictures of electrons scattered on the cell.

Question 3

What does Resolution mean?

Answer 3

The smallest distance between two separate points.

Question 4

How do Light Microscopes work?

Answer 4

Mirrors reflect light up through the sample, then through the eyepiece / objective lenses and into the eyes.

Question 5

What is an Eyepiece Lens?

Answer 5

The lens looked through to see the sample

Question 6

What are Objective Lenses?

Answer 6

The lenses used to magnify - the smallest are the easiest to focus. There are usually three to choose from.

Question 7

What is the Stage?

Answer 7

The area where the sample / specimen is held by two metal clips.

Question 8

What is the Course Focus?

Answer 8

The focusing wheel used to move the stage up / down quickly and easily for focus.

Question 9

What is the Fine Focus?

Answer 9

The focusing wheel used to move the lenses up / down slowly and sensitively for focus.