Unit 1: How Big is Everything? Flashcards
1
Q
Telescope
A
- Made by Galileo Galilei when he first joined two lenses
- Earliest lens = 700 BC
2
Q
Microscope
A
- Zacharias Jensen
- 1590’s
- improvements in magnification and resolution.
3
Q
Resolution
A
- The smallest distance between two points that can be distinguished using a microscope.
- Telescope: Arcseconds
- Microscope: Meters
4
Q
Magnification
A
- How much bigger the image is than the object observed
5
Q
Scientific Notation
A
- Scale of numbers is expressed in terms of powers of 10
- Positive Powers = High Numbers
- Negative Powers = Decimals
6
Q
Femto/Femi
A
10^-15
7
Q
Pico
A
10^-12
8
Q
Nano
A
10^-9
9
Q
Micro
A
10^-6
10
Q
Milli
A
10^-3
11
Q
Deci
A
10^-1
12
Q
Kilo
A
10^3
13
Q
Mega
A
10^6
14
Q
Giga
A
10^9
15
Q
Tera
A
10^12