Microscopy

Question 1

What are the 2 different types of microscopes ?

Answer 1

Light microscope and electron microscope

Question 2

What is a light microscope ?

Answer 2

A microscope that uses light and lenses to form an image and magnify it

Question 3

What is an electron microscope ?

Answer 3

A microscope that uses electrons to form an image

Question 4

What is the difference between a light and electron microscope ?

Answer 4

Electron microscopes have higher magnification and resolution, therefore they allow use to see smaller things in more detail

Question 5

How do you calculate magnification ?

Answer 5

magnification = image size/real size

Question 6

How do you prepare an onion microscope slide ?

Answer 6

1) cut up onion and use tweezers to peel of some epidermal tissue from the layers
2) place the the layer into the slide
3) Use a drop of iodine solution to stain the onion
4) Place the cover slip over the onion trying to avoid as many air bubbles as possible