Unit 1: How Big is Everything? Flashcards

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1
Q

Telescope

A
  • Made by Galileo Galilei when he first joined two lenses

- Earliest lens = 700 BC

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2
Q

Microscope

A
  • Zacharias Jensen
  • 1590’s
  • improvements in magnification and resolution.
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3
Q

Resolution

A
  • The smallest distance between two points that can be distinguished using a microscope.
  • Telescope: Arcseconds
  • Microscope: Meters
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4
Q

Magnification

A
  • How much bigger the image is than the object observed
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5
Q

Scientific Notation

A
  • Scale of numbers is expressed in terms of powers of 10
  • Positive Powers = High Numbers
  • Negative Powers = Decimals
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6
Q

Femto/Femi

A

10^-15

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7
Q

Pico

A

10^-12

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8
Q

Nano

A

10^-9

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9
Q

Micro

A

10^-6

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10
Q

Milli

A

10^-3

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11
Q

Deci

A

10^-1

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12
Q

Kilo

A

10^3

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13
Q

Mega

A

10^6

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14
Q

Giga

A

10^9

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15
Q

Tera

A

10^12

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16
Q

Parminedes

A

Matter can always be cut into smaller pieces; it is continuous

17
Q

Democritus

A

Matter can be broken down into a tiny basic piece: Atomos

18
Q

Rationalism

A

True Knowledge can only be obtained through thinking

19
Q

Empiricism

A

True Knowledge can be gained from observation and experience

20
Q

Variable

A

Any factor that can be controlled or manipulated in order to experimentally investigate a relationship

21
Q

Atom

A
  • Buildings Blocks of Matter
  • Considered smallest particle (in some contexts)
  • Diameter: - (1-5) * 10^-10 meters
22
Q

Proton

A
  • Subatomic Particle
  • In the Nucleus
  • Positive Charge
  • Diameter = 10^-15 meters
  • Mass = 1.6726219 × 10-27kilograms
23
Q

Electron

A
  • Subatomic Particle
  • In shells
  • Negative Charge
  • Diameter = 10^-18 meters
  • Mass = 9 10-31kilograms
24
Q

Neutron

A
  • Subatomic Particle
  • In the Nucleus
  • Neutral Charge
  • Diameter = 10^-15 meters
  • Mass = 1.674929 x 10-27kilograms
25
Q

Quarks

A
  • Found within Protons and Neutrons
  • Up, Down, Bottom, Strange and Charm
  • Diameter = 4.33 x 10−19 meters
26
Q

Diamond

A
  • Carbon bonded covalenly to 4 other carbon atoms
  • Lattice Structure - Regular 3D Structure
  • Lustrous
  • Very high melting point
  • One of the hardest substances
  • Insulator (Heat and Electricity)
27
Q

Experiment

A

A procedure carried out answer a question and support, validate or invalidate a hypothesis

28
Q

Graphite

A
  • Carbon bonded covalently to 3 other carbon atoms
  • Hexagonal Layer Structure
  • Opaque black
  • High Melting Point
  • Strong, but soft (sliding layers)
  • Conductor (Heat and Electricity) - Free Electron
29
Q

Graphene

A
  • Carbon bonded covalently to 3 other carbon atoms
  • One hexagonal layer of graphite
  • High Melting Point
  • Very Strong
  • Conductor (Heat and Electricity) - Free Electron
30
Q

Fullerene

A
  • Same properties as graphene
  • Graphene layers in hollow shapes - tubes, spheres etc.
  • Used in nanotechnology and medicine
  • high length/diameter ratio
31
Q

Carbon

A
  • Diameter = 2.2 * 10^-11 meters
  • Mass = 1.9943072 * 10^-26 kilograms
  • Symbol = C
  • Makes allotropes
  • Non-metal
32
Q

Earth

A

1.2742 x 10^7 meters

33
Q

Jupiter

A

1.3982 x 10^8 meters

34
Q

Sun

A

3.19 x 10^9 meters

35
Q

Solar System

A

2.8746 x 10^13 meters

36
Q

Nucleus

A

10^-14 to -15 meters

37
Q

Observable universe

A

8 x 10^26 meters

38
Q

Milky Way

A

10^21