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6th grade science > The sun > Flashcards

The sun Flashcards

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Biology 101 flashcards
1
Q

How old is the sun

A

The sun is 4.5 billion years old

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2
Q

The sun is one out of how many stars in our galaxy

A

One of 100 billion

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3
Q

The sun is the only what in our solar system

A

Star

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4
Q

Our son is at what stage right now and what size star

A

Yellow dwarf, and medium size star

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5
Q

How long away is the sun from the earth

A

How long away is the sun from the earth 93 miles or one astronomical unit

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6
Q

What is the Corona

A

What is the Corona The outer most part of the sun

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7
Q

What is the temperature in Fahrenheit for corona

A

What is the temperature in Fahrenheit for corona 2,000,000° in Fahrenheit

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8
Q

What is the Chromosphere

A

A thin layer after the corona

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9
Q

What is the photosphere

A

What is the photosphere
The deepest layer to observe closely

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10
Q

This layer of the sun lies outside decor 2 inch radiant energy is transferred from the core in the form of photos

A

Radiative zone

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11
Q

The surface of the earth on the corona is how hot

A

2,000,000°F

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12
Q

The core of the sun is how hot

A

27,000,000°F

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13
Q

The sun rotates upon what

A

Its axis

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14
Q

True or false the sun has a magnetic field

A

True

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15
Q

True or false the sun has no solid surface

A

True

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16
Q

What percentage of the solar system‘s mass is contained in the sun

A

99%

17
Q

The sun is made up of what gases

A

Hydrogen and helium

18
Q

How long does it take light to reach the earth from the sun

A

Eight minutes

19
Q

The earth revolves around the sun every blank days

A

365 days and six hours

20
Q

When hydrogen and helium or more atomic nuclei combine to produce energy this is called what

A

Nuclear fusion

21
Q

What occurs in the sun that provides the energy needed for life on earth

A

Nuclear fusion

22
Q

Dark planet size magnetic field on the surface of the sun

A

Sunspots

23
Q

What sunspots release magnetic energy this causes what

A

Solar flares

24
Q

The difference between solar flares and solar prominence

A

Solar flares can travel through space

25
Q

What keeps the planets in orbit

A

The suns gravity

6th grade science (2 decks)

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