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CH 30 Science Vocab > Chapter 30.2 > Flashcards

Chapter 30.2 Flashcards

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Biology 101 flashcards
1
Q

Mercury

A

smallest and closest planet to the sun

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2
Q

Venus

A

second closest planet to the sun

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3
Q

Earth

A

third planet from the sun

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4
Q

Mars

A

fourth planet from the sun

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5
Q

How did the solar system form?

A

from a nebula that collapsed

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6
Q

How long ago did the solar system form?

A

4.6 billion years ago

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7
Q

What is Mercury’s atmosphere like?

A

it has no true atmosphere

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8
Q

Which planet is referred to as Earth’s sister planet?

A

Venus

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9
Q

What is Venus’s atmosphere like?

A

very dense and very hot

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10
Q

What states can water exist as due to the temperatures on Earth?

A

solid, liquid, or gas

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11
Q

What is Mars also known as?

A

the red planet

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12
Q

Why is Mars red?

A

iron oxide

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13
Q

How many moons does Mars have?

A

2

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14
Q

What are the names of the two moons?

A

Phobos and Deimos

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15
Q

What does the names mean?

A

Phobos-fear Deimos-panic

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16
Q

What was the mission of Spirit and Opportunity?

A

To search for liquid water

17
Q

What did the Mars Reconnaissance Orbit discover?

A

sediment layering and gullies

18
Q

What did the Mariner 9 discover?

A

Valles Marineris, a large canyon and extinct volcanoes

19
Q

What did Viking 1 and 2 do?

A

photographed the entire surface of Mars

20
Q

Global Surveyor

A

found that the Valles Marineris are similiar walls as the Grand Canyon

21
Q

What did the Mars Odyssey discover?

A

Water as frost beneath the soil

22
Q

What data was gathered by the Pathfinder and its rover Sojourner

A

iron may have been leeched by ground water

23
Q

Where did the Curiosity rover land?

A

Gale crater

24
Q

What were the goals of Curiosity?

A

Investigate climate and geology
Collect evidence for microbial
Study planetary habitability

CH 30 Science Vocab (3 decks)

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