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Our Place in Space
Our Place in Space
35
Science
8th Grade
01/27/2014

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Cards

Term

What group of planets does the Earth belong?

 

Definition
The Terrestrial Planets
Term
How are the inner planets different from the outer planets?
Definition
They are closer together.
Term
Why is Venus sometimes called Earth's twin?
Definition
Venus rotates the same direction.
Term
What makes life possible on Earth?
Definition
Liquid water on the surface
Term
What is unusual about Pluto's moon?
Definition
It is more than half the size of Pluto.
Term
What is the largest planet in our solar system?
Definition
Jupiter
Term
What evidence is there about our moon's origin(where it came from)?
Definition
Lunar rockas are similar to the Earth's mantle.
Term
What causes teh phases of the moon?
Definition
The relative positions of the moon, Earth, and the sun.
Term
What is the main difference tween an asteroid and a meteoroid?
Definition
The size of the body.
Term
Why are the inner planets called terrestrial planets?
Definition
They are made of dense rock.
Term
What is the most useful unit for measuring distances in the solar system?
Definition
Astronomical Units
Term
What is one way the gas giants differe(are different) from terrestrial planets?
Definition
They are made mainly of gas.
Term
Tides are mainly cause by?
Definition
Differences in the gravitational pull.
Term
Earth has seasons because...
Definition
The Earth's axis is tilted as it moves around the sun.
Term
The phase of the moon you see depends on...
Definition
Where you are on Earth's surface.
Term
When the north end of the Earth's axis is tilted toward teh sun, North America will experience....
Definition
more direct rays and longer days.
Term
In what layer of the sun is energy produced?
Definition
Core
Term
The planets of the solar system formed....
Definition
Planetesimals collided into one another.
Term
Earth's period of revolution is about...
Definition
1 year
Term
What bodies collide and combine to form Earth?
Definition
Planetesimals
Term
Each planet moves around its sun in the shape of a ...
Definition
Elipse
Term
The gravitational attraction between two objects decreases if....
Definition
Mass decreases
Term
The gravitational attraction between two objects increases if ....
Definition
If the distance between them increases.
Term
What caused the solar system to form?
Definition
Collapse of the solar nebula.
Term
After the solar nebula collapsed, its center became very hot and....
Definition
planetesimals formed.
Term
Venus if how many planets from the sun?
Definition
2
Term
How many planets is Saturn from the sun?
Definition
6
Term

The asteroid belt is between which two planets?

How many planets is Mars and Jupiter from the sun?

Definition

Mars and Jupiter

4th and 5th

Term
Small, rocky bodies that revolve around the sun are?
Definition
Asteroids
Term
Smaller than Asteroids and are small, rocky bodies that revolve around the sun are?
Definition
Meteoroids
Term
Meteoroid that hits the Earth's ground is a?
Definition
Meteorite
Term
Small body of ice, rock, and dust is a?
Definition
Comet
Term
When the moon is >>>>>, the sunlit fraction we can see is getting larger.
Definition
Waxing
Term
When the shadow of one celestial body falls on another it is an...
Definition
Eclipse
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