microscopes

Question 1

what is the magnification

Answer 1

the number of times greater the image you see is compared to the actual specimen

Question 2

what is the resolution

Answer 2

the ability to distinguish between 2 points on an image. The higher the resolution, the clearer the image

Question 3

explain what a light microscope is

Answer 3

Uses light reflections to magnify an object and has a lower resolution

Question 4

explain what a electron microscope is

Answer 4

Uses a beam of electrons to magnify an object, has a higher resolution and there is 2 types

Question 5

what are the 3 steps to prepare a slide

Answer 5

1) Place a small slice/ smear the specimen onto a glass
2) Place a small drop of water/ stain onto the specimen
3) Slowly lower a cover slip onto the specimen, trying to avoid air bubbles forming

Question 6

what are the 4 different main types of stain

Answer 6

iodine, gram stains, eosin and methylene blue

Question 7

what is the equation to calculate the magnification

Answer 7

magnification = image size/ actual size