microscope

Question 1

when where microscopes known?

Answer 1

400 years ago, end of 16th century

Question 2

who made first microscope?

Answer 2

By a Dutch spectacle maker

Question 3

What is the function of the microscope?

Answer 3

magnifies objects too small to see

Question 4

What did Robert Hooke do?

Answer 4

Robert Hooke used a microscope to look at a thin slice of cor and saw cells for the first time

Question 5

What did Anton van Leeuwenhoek do?

Answer 5

Anton van Leeuwenhoek discovered bacteria in tartar on the teeth and microscopic animals in water

Question 6

What are the two types of electron microspoes?

Answer 6

Scanning electron microspose (3D surface image)
Transmission electron microspose (2D image of cut section)

Question 7

How does an electron microscope work?

Answer 7

The object being viewed must be thinly coated in gold
Electrons are fired at the object
Electrons bounce off the object and form an image on a computer

Question 8

Give the three tupes of microscope/magnification instruments

Answer 8

Hand lens/magnifying glass (5-20x magnification)
Light microscope (40- 2000x magnification)
Electron microscope (up to 500 000x magnification)