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Science > Sun > Flashcards

Sun Flashcards

1
Q

What is the sun?

A

Massive fireball in space that is made of mostly hydrogen and helium

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2
Q

What are the layers of the sun’s atmosphere?

A

Core
Radiation zone
Convection zone

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3
Q

What process fuels the sun?

A

Nuclear fusion

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4
Q

What nuclear energy?

A

The energy that is created through nuclear fusion

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5
Q

How does the sun rotate?

A

Depending on the location, the sun rotates at different rates

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6
Q

How old is the sun?

A

4.5 billion years old

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7
Q

How much of the solar system’s mass is the sun?

A

99.8%

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8
Q

What is the difference between solar flares, coronal mass ejections, and sunspots?

A

Solar flares are small while CME can be large enough to affect the electrical systems on Earth

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9
Q

What are the types of nuclear decay?

A

Alpha Decay
Beta Decay
Gamma Radiation

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10
Q

Alpha decay

A

Cannot penetrate deeply, will damage what is hit

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11
Q

Beta decay

A

Can penetrate deeper into a material

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12
Q

Gamma radiation

A

Causes less damage to cells inside the body

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13
Q

What particle does each type release?

A

Alpha - 42He
Beta - electron
Gamma - radiation

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14
Q

What is a wave?

A

Disturbances of matter, energy traveling through a medium or through space

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15
Q

What are two types of waves?

A

Transverse wave

Longitudinal waves

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16
Q

Example of each type of wave

A

Transverse - light waves

Longitudinal - sound waves

17
Q

What are the parts of the wavelength

A

Crest

Trough

18
Q

Frequency

A

The rate at which something occurs

19
Q

Wave speed

A

Speed at which the wave travels

20
Q

Wavelength

A

The length of a wave from crest to crest or trough to trough

21
Q

Formula to calculate velocity

A

v = (landa)f

22
Q

What is EMS?

A

Electromagnetic spectrum

23
Q

List waves of EMS from highest frequency to lowest

A 
Gamma ray
X-ray
Ultraviolet 
Visible
Infrared
Microwave
Radio

Science (1 decks)

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