The electron microscope

Question 1

Fill in the gaps
Electron microscopes use a beam of electrons instead of —— to make an image

Answer 1

light

Question 2

The wavelength of electrons can be ——— times smaller than that of visible light.

Answer 2

100,000

Question 3

This means that the electron microscopes can achieve greater what

Answer 3

magnification

Question 4

Magnification definition

Answer 4

The number of times larger an image is compared to the actual size

Question 5

Resolution definition

Answer 5

The ability to distinguish between 2 separate points.

Question 6

What is the light microscope resolution

Answer 6

50- 200nm

Question 7

What is the electron microscope resolution

Answer 7

0.05-1.00nm

Question 8

A light microscopes benefits

Answer 8

-Small
-Portable
-Images can be viewed in colour
-Cheaper and easier to use

Question 9

Downsides of a light microscope

Answer 9

-Lower magnification
-Lower resolution

Question 10

Downsides of an electron microscope

Answer 10

-Very large
-Cannot view live samples
-Images can be only viewed in black and white
-Very expensive

Question 11

Benefits of a electron microscope

Answer 11

–Higher magnification
-Higher resolution