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science planets
hji
27
Science
6th Grade
02/25/2013

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Cards

Term
what are the inner plannet s from smallest to largest
Definition

mercury,mars,venus,earth

 

me

ma

v

e

Term
how are the planets the same
Definition
thay are small dense have rockey sufaces and are called terreatrail planets.
Term
what are all of the inner planets called
Definition
terrestrail planets
Term
is mercury the cosest planet to the sun
Definition
yes
Term
is mercury slightly larger then earths moon
Definition
yes
Term
does mercury have a atomsosphere
Definition

yes but it almost has one 

 

has almost no atmosphere

Term
what are the normal temps on mercury
Definition

(430 degrees c) 806 degrees f in the day 

(-170 degrees C)- 274 degrees F

Term
how is venes similer to earth
Definition
density and interna structure
Term
what is diffent from venesees rototion to the other planets
Definition
it spins backwards
Term
7.5 earth mounths = how many how many years on venus
Definition
7.5
Term
earth mounths = how many days on venus
Definition
1 day
Term
how much greater is the atmosphere presser on venus then on earth
Definition
90 times greater
Term
what is the % of C02 in venuses atomosphere
Definition
95%
Term

what is the temp on venus

and what will the heat do 

Definition

900 degrees F

will melyt led 

Term
what is the order of the inner planets from closest to the sun to far
Definition
mercury venus earth mars
Term
what are the main layers of earth
Definition
mantle core crust
Term
what is the inner core
Definition
soild and iron nickel
Term
whta is speicle about earth
Definition
it is the only planet with liquid water at the surface in are solar system
Term
how much water is on mars and is ther water on  other planets
Definition
70% water on earth and yes there is water on other planets
Term
what is the atomasphere like on earth
Definition

20% oxigen 

 

the rest is mostly nitragen 

Term
Why is Mars red?
Definition
It has iron-rich rocks that have been rusted by water.
Term
Name 2 facts about Mars' atmosphere?
Definition
95% is CO2 and it's too thin to hold water.
Term
What is the largest volcano on Mars?
Definition
Olympus Mons and it's 3X taller than Mt. Everest.
Term
Where is frozen water on Mars?
Definition
at both poles
Term
Which inner planets have moons and how many each?
Definition

Earth=1

Mars=2, Diemos and Phobos

 

 

Term
What will Phobos do in 40 million years?
Definition
Crash into Mars
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