Microscopy

Question 1

What do microscopes allow us to do?

Answer 1

See things that we can’t see with the naked eye.

Question 2

How do light microscopes work?

Answer 2

They use light and lenses to form an imagine of a spéculent and magnify it.

Question 3

What is the different between electron microscopes and light microscopes

Answer 3

Electron microscopes use electrons instead of light
They have a higher magnification
They have a higher resolution
(therefore we use them to see really small things eg mitochondria or ribosomes)

Question 4

10 to the power -4?

Answer 4

0.00010

Question 5

If you want to look at a cell under a microscope what do you put it on?

Answer 5

A microscope slide.

Question 6

Why might you add stain to the sample on a microscope?

Answer 6

To highlight the object.

Question 7

Disadvantages of an electron microscope

Answer 7

require specialist training to use
more expensive
cells must be dead to be viewed

Question 8

advantages of an electron microscope?

Answer 8

higher resolution

higher magnification