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Science > Chapter 21 Planets Test > Flashcards

Chapter 21 Planets Test Flashcards

1
Q

Which planet is known for its spectacular ring system?

A

Saturn

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2
Q

Which planet has belts of visible clouds?

A

Neptune

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3
Q

Which is the smallest planet in the solar system?

A

Mercury

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4
Q

Which planet has a has storm called the Great Red Spot?

A

Jupiter

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5
Q

Which planet has a storm system called the Great Dark Spot?

A

Neptune

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6
Q

Which planet tipped over onto its side?

A

Uranus

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7
Q

Which inner planet spins with a retrograde rotation?

A

Venus

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8
Q

Which is the only planet to contain life as we know it?

A

Earth

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9
Q

Which is the largest planet in our solar system?

A

Jupiter

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10
Q

What moon seems to have broken apart and been pieced back together by gravity?

A

Miranda

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11
Q

What moon is one of the most volcanic-ally active?

A

IO

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12
Q

What moon is larger than the planet Mercury?

A

Ganymede

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13
Q

What moon has an atmosphere very similar to early Earth?

A

Titan

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14
Q

What moon revolves around its planet in a retrograde orbit?

A

Triton

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15
Q

What moon is also known as Luna?

A

Earth’s Moon

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16
Q

What moon is the largest satellite relative to the size of its planet?

A

Titan

17
Q

What moon is believed to be a captured asteroid?

A

Phobos and Deimos

18
Q

What moon has geysers that eject nitrogen?

A

Triton

19
Q

What moon originated when a planet sized body collided with Earth?

A

Luna (Earth’s moon)

20
Q

Describe the current theory of the formation of the Earth’s moon?

A

A planet sized object collided with the Earth.

21
Q

Is the far side of the moon always dark?

A

Yes, we only see one side of the moon from Earth.

22
Q

Why is the study of comets, asteroids and meteoroids important in understanding the formation of the solar system?

A

Because they represent the building blocks of the solar system.

23
Q

In your own words, write a definition for the astronomical unit.

A

The average distance between the Earth and the Sun

24
Q

In your own words, write a definition for the term gas giant.

A

The outer planets such as Jupiter, Saturn, Uranus and Neptune.

25
Q

In your own words, write a definition for the term terrestrial planet?

A

The planets that are closest to the sun.

26
Q

Describe why we see several impact craters on the moon but few on Earth.

A

Because of the weathering, erosion and atmosphere.

27
Q

What is the difference between a solar eclipse and a lunar eclipse? Why don’t they every month?

A

Because a solar eclipse is when the moon comes between the Earth and a lunar eclipse is when the Earth comes between the sun and the moon.

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