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Science > Planets > Flashcards

Planets Flashcards

1
Q

Smallest planet

A

Mercury

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2
Q

Mercury, Venus, Earth and Mars are what?

A

Terrestrial plants

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3
Q

What are the Gas Giants?

A

Jupiter, Saturn, Uranus and Neptune

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4
Q

Why will a crumpled paper and textbook hit the ground at the same time?

A

Because gravity has the same affect on all objects on earth. Crumpling it up remove a lot of air resistance.

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5
Q

What is an asteroid?

A

A rock that orbits the sun typically between Mars and Jupiter

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6
Q

What are the 5 layers of the atmosphere?

A

Troposphere, Stratosphere, Mesosphere, Thermosphere and Exosphere

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7
Q

What does the Troposphere have?

A

GHG and people live here

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8
Q

What does the Stratosphere have?

A

Weather balloons and plans

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9
Q

What does the Mesosphere have?

A

Meteor showers

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10
Q

What does the Thermosphere have?

A

Auroras

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11
Q

What does the Exosphere have?

A

Rockets

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12
Q

Why do we get auroras?

A

Auroras occur when highly changed particles from the solar wind interact with elements in the earth’s atmosphere( nitrogen/ oxygen etc)

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13
Q

What is a meteorite?

A

A meteor that actually hit the earth’s surface

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14
Q

What is a meteor?

A

A meteoroid that enter the earth’s atmosphere

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15
Q

What is a meteoroid?

A

Pieces from asteroids that break off and continue a path through space

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16
Q

What happened 66 million years ago that extinct the dinosaurs?

A

A meteorite slams into the earth. Blast kills many in impact or shortly after

17
Q

What climate change affected the dinosaurs to die?

A

Because the ash and smoke was blocking the sun which caused a major freezing in temperature. Which then affects plant life and this the bottom of the food chain and all others

18
Q

Why do a hammer and feature hit the ground at the same time on the moon?

A

They would both hit the ground at the same time because there is no air on the moon.

19
Q

Why do we have seasons?

A

We have seasons because the earth is on a tilt which makes the side of the earth that is tilted towards the sun warmer

20
Q

What is a solar eclipse?

A

A solar eclipse is when the moon blocks the sun from the earth

Science (2 decks)

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