Microscopes

Question 1

What is a light microscope?

Answer 1

A device that uses visible light and lenses to magnify specimens

Question 2

What is magnification?

Answer 2

Magnification is the ratio of an object’s size when viewed through a microscope to its actual size

Question 3

What is resolution?

Answer 3

The minimum distance between two objects where they can still be seen as two separate objects

Question 4

What is a transmission electron microscope (TEM)?

Answer 4

A microscope that uses a beam of electrons to examine the structure internally in cells

Question 5

What is a scanning electron microscope (SEM)?

Answer 5

A microscope that uses a beam of electrons to examine the structure externally in cells

Question 6

What is an eyepiece graticule?

Answer 6

A glass disc that’s placed in the eyepiece of a microscope. It’s used to measure the size of microscopic objects, such as cells and bacteria with precision

Question 7

What is a stage micrometer?

Answer 7

A microscope with a precise scale that is used to calibrate the eye piece graticule – allows for accurate measurements of specimen under a microscope