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Science Term 3/4 solar system > Solar system > Flashcards

Solar system Flashcards

1
Q

What is a day

A

When earth completes a full rotation around its axis

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2
Q

What is a year

A

One full revolution around the sun

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3
Q

What are the 8 planets in order

A

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

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4
Q

What are the 4 terrestrial planets

A

The first 4

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5
Q

What are the 4 gaseous planets

A

The last 4

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6
Q

What is a satellite

A

A moon

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7
Q

Is it true that Bigger planets have more moons

A

Yes

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8
Q

What zone is the earth in

A

The goldilocks zone

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9
Q

What is an asteroid

A

Kinda like a little rock planet

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10
Q

What is a comet

A

Chunk of rock and ice

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11
Q

What is meteor

A

streak of light when a space rock enters the atmosphere and burns up

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12
Q

Meteorite

A

When a space rock doesn’t burn up in the atmosphere and lands on earth

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13
Q

Where does the sun rise and set

A

rises in east sets in west

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14
Q

What is the geocentric view

A

Says earth is center of universe

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15
Q

What is heliocentric view

A

Says sun is center

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16
Q

Who made the heliocentric theory

A

Copernicus

17
Q

Who helped prove Copernicus’s theory

A

Galileo Galilei

18
Q

Who used the theory of gravity to explain how the Moon is held in orbit around the Earth

A

Sir Isaac Newton

19
Q

Who was Edwin Hubble

A

American astronomer
Proved universe is expanding
Hubble Space telescope named in his honor, launched 1990

20
Q

Who was famous for creating the most magnifying telescope of there time

A

Science Term 3/4 solar system (1 decks)

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