b1.1: the world of the microscopes Flashcards
1
Q
what are living things made up of
A
cells
2
Q
what do u use to look at when cells are small
A
microscope
3
Q
what are microscopes used for
A
to magnify (see) small objects
4
Q
what’s the equation for magnification
A
magnification= size of image/ size of real object
5
Q
light microscopes characteristics
A
- uses beam of light to form and image
- can be used to view living things
- cheap and easy to carry
6
Q
electron microscope characteristics
A
- use a beam of electron to form and image
- cannot be used for living things
-expensive, kept on special conditions
7
Q
resolving power characteristics
A
-if two dots are close together they look like one dot
-electron microscopes has a better resolving power than a light microscope
