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Science Chapter 9 > Lesson 2 > Flashcards

Lesson 2 Flashcards

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Biology 101 flashcards
1
Q

What is the center of our solar system?

A

Sun

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2
Q

How many planets does our solar system have?

A

8

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3
Q

List the inner planets.

A

Mercury, Venus, Earth, Mars

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4
Q

List the outer planets.

A

Jupiter, Saturn, Uranus, Neptune

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5
Q

How are the inner planets similar?

A
  1. Less than two moons
  2. Close to the sun
  3. Rocky surfaces
  4. They are smaller
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6
Q

Why is Mars called the “Red Planet”?

A

It looks fiery red from earth

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7
Q

Why is Earth the most unusual inner planet?

A
  1. It has life
  2. Oxygen
  3. It has water
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8
Q

What separates the inner planets from the outer planets?

A

Asteroid’s belt

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9
Q

What makes the gas giants similar?

A
  1. Made of gas
  2. Huge
  3. They all have rings
  4. They have many moons
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10
Q

How are the gas giants different from Pluto?

A
  1. It’s small

2. It has a rocky surface

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11
Q

Which of the outer planets is the largest?

A

Jupiter

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12
Q

What is the great red spot on Jupiter?

A

A hurricane like storm

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13
Q

What is different about the way Uranus rotates?

A

On its side

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14
Q

How are asteroids and comets alike?

How are they different?

A

Alike:
They are smaller than planets

Different:
1. Comets have a tail and balls of rock, frozen gases and ice

  1. Asteroids are made out of rock and metal
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15
Q

A ball of rock, ice, and frozen gases in space is what?

A

Comet

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16
Q

A large object that moves around a star is what?

A

Planet

17
Q

A group of objects in space that revolves around a central star is what?

A

Solar system

18
Q

The imaginary line around which Earth spins as it rotates is what?

A

Axis

19
Q

The different shapes that earths moon seems to have is what

A

Phases

20
Q

Which planet has the shortest year?

A

Mercury

21
Q

Which planet has the longest year?

A

Neptune

22
Q

How are outer planets different from inner planets?

A

They have rings and they are huge.

Science Chapter 9 (3 decks)

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