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Science > The Planets > Flashcards

The Planets Flashcards

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0
Q

What planet besides earth, has four seasons?

A

Mars

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1
Q

What’s the nickname for the inner planets that means earth-like?

A

Terrestrial

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2
Q

Name the properties all inner planets have:

A

Rocky crusts, dense mantle layers with a very dense cores, and pro grade motion (besides Venus)

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3
Q

Why is Venus called earths sister planet?

A

Because of similar diameter, Mass, and gravity.

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4
Q

What’s the nickname for the outer planets that means Jupiter-like?

A

Jovian

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5
Q

The blue color of that Uranus and Neptune is caused by what element in the atmosphere?

A

Methane

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6
Q

The great red Spot, a storm that never disappears, is located on which planet?

A

Jupiter

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7
Q

What two things are the rings of the gas giants composed of?

A

Ice and rocks

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8
Q

Which Jovian planet is closest to the sun?

A

Jupiter

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9
Q

Which outer planet has the largest ring system?

A

Saturn

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10
Q

What is the name for our largest planet?

A

Jupiter

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11
Q

What is the name for our smallest planet?

A

Mercury

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12
Q

Which planet does not have an atmosphere

A

Mercury

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13
Q

Which planet has the highest surface temperature?

A

Venus

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14
Q

Which planet rotates on its side?

A

Uranus

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15
Q

Which planets have no moons? (2)

A

Venus and Mercury

16
Q

Which planet has the most number of moons?

A

Jupiter

17
Q

Which planet has the largest mountain in the solar system located on it (Olympus Mons)?

A

Mars

18
Q

When an object orbits west to east, it is said to have a prograde rotation. Rotating the opposite way is called what?

A

Retro grade motion

19
Q

Which planet has a retro grade motion

A

Venus

20
Q

The amount of time it takes a planet to rotate on its axis is called what?

A

A day

21
Q

There are currently____planets and_____dwarf planets.

A

8,1

22
Q

Name the planets in order.

A

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

23
Q

Where do you meteoroids usually come from?

A

Comets or astroids

24
Q

Where is a dwarf planet located?

A

The astroid belt

25
Q

What is the name of a dwarf planet?

A

Ceres

26
Q

Where is the Kuiper Belt located?

A

Near the orbit of Neptune and beyond Pluto

27
Q

What is a shooting star?

A

A small, rapidly moving meteor burning up on entering earth’s atmosphere

28
Q

Why are asteroids not considered planets?

A

They are too small and numerous

29
Q

The astroid belt is located between what two planets?

A

Mars and Jupiter

30
Q

Went to meteoroid enters earths atmosphere it is called a _____. If it is large enough to go through earths atmosphere and hit the ground, it is called_____.

A

Meteor, meteorites

31
Q

Why is Pluto no longer considered a planet?

A

Because it is smaller than our moon and cuts off Neptunes orbit

32
Q

What is Pluto?

A

A plutoid

33
Q

A common still always points in what direction from the sun

A

Away

34
Q

Besides Pluto list the other Plutoid’s and their location in the solar system.

A

Eris, Makemake, and Haumea. They are all located in the Kuiper Belt.

35
Q

What are the names of the Rovers from oldest to newest?

A
  • Sojourner rover, Mars path finder
  • spirit, Mars exploration rover
  • opportunity, Mars exploration rover
  • Curiosity, Mars science Lab
36
Q

What did Opportunity and Spirit do on Mars?

A

Explored the Martian surface and its’ geology.

37
Q

What did curiosity do there?

A

A car sized rover lab that landed in Gale Crater to assess if the site offered microbial life, the role of water on the planet, and it’s planetary habitability

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