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PHYSICAL SCI > 30.2 vocab > Flashcards

30.2 vocab Flashcards

1
Q

Mercury

A

is the smallest and closest planet to the sun

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2
Q

venus

A

the second closest planet to the sun

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3
Q

earth

A

the third planet to the sun

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4
Q

mars

A

the fourth planet to the sun

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5
Q

how did the solar system form

A

collapse of a nebula

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6
Q

how long did the solar system form

A

4.6 billion years ago

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7
Q

what is mercurys atmosphere

A

has no atmosphere

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8
Q

what planet is called earth sister planet

A

venus

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9
Q

what is venus atmoshpere like?

A

it is very dense and hot

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10
Q

what states can water exist as on earth?

A

solid, gas, and liquid

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11
Q

what is mars also known as

A

red planet

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12
Q

why is mars red

A

due to the weathered rock causeing iron dioxide

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13
Q

how many moons does mars have

A

two moons

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14
Q

what is the name of the two moons

A

phobos and deimos

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15
Q

what does phobos and deimons mean

A

shpere and panic

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16
Q

what was the mission of spirit and opertunity

A

to look for water

17
Q

what did the mars reconoses orbiter discover

A

sediment layering and gullies

18
Q

what id the mariner 9 space probe discover

A

extinc valcanos and valles marineris

19
Q

what did viking 1 and viking 2 do

A

they photographed the entirte surface of mars

20
Q

global survayer

A

found the valles marineris has similer walls to the grand canyon

21
Q

what did the mars odesy discover

A

water is frost beneth the thin layer of soil

22
Q

what did mars pathfinder and rover sojourner discover

A

that iron may have ben leached out by ground water

23
Q

where did the curiosity rover land?

A

gale creater

24
Q

what was the goals of curiosity?

A

to investigate climent and geologhy
to collect evidence of microbial life
ro study planetary habitilty

PHYSICAL SCI (5 decks)

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