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Science 7 > Planets > Flashcards

Planets Flashcards

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0
Q

How far is Mercury from the sun?

A

.4 AU

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1
Q

What is an AU?

A

An astronomical unit which is the distance from the earth to the sun.

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2
Q

What kind of planet is Mercury?

A

Terrestrial

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3
Q

How many moons does Mercury have?

A

Zero

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4
Q

How far is Venus from the sun?

A

.7 AU

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5
Q

True or false, Venus is not terrestrial?

A

False.

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6
Q

What does terrestrial mean?

A

That the planet has rocks and crusts.

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7
Q

What is the difference between terrestrial and gas planets?

A

Gas planets are composed almost entirely of gas because of the pressure of the atmosphere, terrestrial planets have hard rock and dust.

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8
Q

Does Venus have moons?

A

No

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9
Q

What is earth’s distance from the sun?

A

1 AU.

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10
Q

Is earth terrestrial?

A

Yep

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11
Q

What is earth’s number of moons?

A

1

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12
Q

What is the length of earth’s day?

A

24 hours.

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13
Q

What is the length of earth’s year?

A

365 days

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14
Q

How far away is Mars?

A

1.5 AU

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15
Q

Is Mars terrestrial or gaseous?

A

Terrestrial.

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16
Q

How many moons does Mars have?

A

2

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17
Q

Length of the day on Mars is____

A

24.5 or 25 hours.

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18
Q

The length of Mar’s year is ____

A

687 days.

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19
Q

How far away is Jupiter?

A

5.2 AU.

20
Q

What is Jupiter made of?

A

Gas

21
Q

How big is Jupiter?

A

143,000 Km in diameter.

22
Q

How many moons does Jupiter have?

A

67.

23
Q

How long is the day on Jupiter?

A

10 hours.

24
Q

How long is the year on Jupiter?

A

4,331 days.

25
Q

How far away is Saturn?

A

9 AU.

26
Q

What is Saturn made of?

A

Gas.

27
Q

What is the size of Saturn?

A

121,000 Km.

28
Q

How many moons does Saturn have?

A

62

29
Q

What is the length of a day on Saturn?

A

11 Hours.

30
Q

What is the length of a year on Saturn?

A

10700 days

31
Q

How far is Uranus from the sun?

A

17 AU.

32
Q

What is the composition of Uranus?

A

Gas

33
Q

What is the size of Uranus?

A

51,000 Km

34
Q

How many moons does Uranus have?

A

27

35
Q

How long is a day on Uranus?

A

17 hours.

36
Q

What is the length of a year on Uranus?

A

31,000 days

37
Q

How far is Neptune from the sun?

A

30 AU.

38
Q

What is the size of Neptune?

A

50,000 Km

39
Q

How many moons does Neptune have?

A

14

40
Q

What is the length of a day on Neptune?

A

16

41
Q

How long is a year on Neptune?

A

60,000

42
Q

How far is Pluto from the Sun?

A

60 AU.

43
Q

Is Pluto terrestrial?

A

Yes.

44
Q

What is the size of Pluto?

A

2,390 Km

45
Q

How many moons does Pluto have?

A

5

46
Q

How long is a day on Pluto?

A

153 hours.

47
Q

How long is a year on Pluto?

A

91,000 days.

Science 7 (9 decks)

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