Sun Moon And Earth part 1 Flashcards

1
Q

What is the sun made of?

A

Plasma

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2
Q

What layers make up the sun’s atmosphere??

A

Photosphere, chromosphere, corona

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3
Q

What layer produces the sun energy?

A

Radiative zone

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4
Q

By what process is this energy produced?

A

Neucler fusion

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5
Q

How far is the sun from earth???

A

23 million miles

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6
Q

How long does it take light from the sun to travel to earth?

A

8 mins

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7
Q

The sun is the ONLY ——– in our solar system

A

Star

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8
Q

Why is the sun important to the water cycle?

A

Evaporation

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9
Q

What are sun spots?

A

Cold pieces of plasma

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10
Q

What do solar flares release that is so dangerous?

A

Explosions of hydrogen gas

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11
Q

What layer of the sun circulates its energy by convection currents?

A

Mantle

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12
Q

List the planets in order from closest to the sun to farthest from the sun

A

Mercury, Venus , Earth , Mars, Jupiter, Saturn, Uranus and Neptune

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13
Q

The inner planets are __________ and ____________

A

Small ; Rocky

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14
Q

The outer planets are _________ made of _______ and most have ___________

A

Large ; Gas ; Rings

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15
Q

What separates the inner planets and the outer planets?

A

The asteroid belt

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16
Q

What are the 4 systems of the earth?

A

hydrosphere , Biosphere, Atmosphere, Geosphere

17
Q

A object that orbits the earth is called

A __________

A

Satellite

18
Q

The earth is the only know planet to have __________ ________

A

Liquid water

19
Q

What are the four layers of the earth?

A

Crust, Mantle ,Outer core ,Inner core