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Science test Flashcards

1
Q

perigee

A

point in an orbit that is closest to the earth

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2
Q

what occurs when day and night are of the same length in both hemispheres

A

equinoxes

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3
Q

A moon that is ( ) is one that is getting larger each night

A

Waxing

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4
Q

Umbra

A

Darker inner part of the shadow in an eclipse

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5
Q

what is the order of the sun earth moon in a solar eclipse

A

sun moon earth

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6
Q

Day and night are caused by

A

Earths rotation on it’s axis

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7
Q

What are the four inner planets

A

Mercury, Venus, Earth and Mars

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8
Q

what are the 4 rocky planets

A

Neptune, Jupitar, Saturn, Uranus

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9
Q

How long does it take for Mercury to make on full orbit

A

3 months

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10
Q

How long did it take for Venus to make one full orbit

A

7 months

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11
Q

How many years does it take for earth to make on full orbit

A

1 year

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12
Q

How long does it take for Venus to make one full orbit

A

around 2 years

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13
Q

How many years does it take Jupiter to make one full orbit

A

12 years

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14
Q

How long does it take for Saturn to make one full orbit

A

29 years

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15
Q

How many years did it take for uranus to make one complete orbit

A

84 years

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16
Q

How many years did it take for Neptune to make one full orbit

A

164 years

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17
Q

what are the planets from smallest to largest

A

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

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18
Q

What are the 2 planets that have well-developed atomospheres

A

venus and earth

19
Q

Which planet has really thin atmosphere

A

Mars

20
Q

Which planet has no atmosphere at all

A

Mercury

21
Q

Which planets are mostly “made of” atmosphere?

A

the outter planets

22
Q

What force determines the motions of planets and other objects in the solar system?

A

The force of Gravity

23
Q

Atmosphere is made of hydrogen and helium:

A

Uranus

24
Q

This planet appears red because its surface is covered in iron oxide (rust).

A

Mars

25
Q

This planet is very hot during the day and extremely cold at night:

A

Mercury

26
Q

This is the second largest planet:

A

Saturn

27
Q

This planets axis of rotation is sideways:

A

Uranus

28
Q

This planet has the longest rotation period of all planets in the solar system:

A

Venus

29
Q

This planet has a prominent red spot which is a giant storm that has existed since the 17th century:

A

Jupitar

30
Q

This planet has a very dense carbon dioxide rich atmosphere:

A

Venus

31
Q

These two planets are mostly composed of hydrogen:

A

Jupitar and saturn

32
Q

This is the largest planet:

A

Jupitar

33
Q

These planets have no moons:

A

Mercury and Venus

34
Q

This is the brightest natural object seen on Earth:

A

Venus

35
Q

This planet has 62 moons:

A

Saturn

36
Q

This planet most likely does not have a definite solid surface:

A

Jupitar

37
Q

Which planet has 2 moons

A

Mars

38
Q

Which planet has 67 moons

A

Jupitar

39
Q

Which planet has 27 moons

A

Uranus

40
Q

This planet most likely has a core of iron and nickel that is surrounded by metallic (solid) hydrogen, liquid hydrogen, and gaseous hydrogen.

A

Saturn

41
Q

What keeps the earths temperature at a proper level for life

A

The distance away from the sun

42
Q

Which planet rotates the fastest

A

Jupitar

43
Q

What is the difference between an umbra and a penumbra

A

penumbra is the larger shadow where a partial eclipse occurs and the umbra is the smaller shadow where a total eclpsce occurs

44
Q

What location would experience 24 hours of darkness during a summer solstic in the northern hemisphere

A

south pole

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