Microscopes

Question 1

What are the different types of microscopes?

Answer 1

Electron and Light microscopes

Question 2

What are the differences and similarities between the microscopes?

Answer 2

Light microscopes use visible light whereas electron microscopes use electron beams

Question 3

What are the different parts of a microscope? (HINT : 9 parts)

Answer 3

eyepiece, revolving eyepiece, objective lens, stage, iris adjustment, Light source, course focus knob, fine focus knob, base.

Question 4

How do you calculate total magnification?

Answer 4

Rule: Eyepiece lens x objective lens e.g 10 x 10 = 100

Question 4

What are the rules for drawing a microscope diagram? (HINT : 7 steps)

Answer 4

1. Use a sharp pencil
2. no shading/colouring
3. Diagram should only take up a third or less than half a page.
4. Record magnification next to the diagram
5. state the name of specimen and date of observation
6. write written description
7. 2-3 cells for observation

Question 5

What are the rules of using a microscope? (HINT : 6 steps)

Answer 5

1. when carrying the microscope, place one hand underneath its base and the other around its body.
2. place it on a flat surface
3. adjust the light intensity
4. start with the smallest objective lens (x4)
5. remove the slide and ensure it is clean
6. carefully put it back