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What group of planets does the Earth belong?
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How are the inner planets different from the outer planets? |
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They are closer together. |
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Why is Venus sometimes called Earth's twin? |
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Definition
Venus rotates the same direction. |
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What makes life possible on Earth? |
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Definition
Liquid water on the surface |
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What is unusual about Pluto's moon? |
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Definition
It is more than half the size of Pluto. |
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What is the largest planet in our solar system? |
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What evidence is there about our moon's origin(where it came from)? |
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Definition
Lunar rockas are similar to the Earth's mantle. |
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What causes teh phases of the moon? |
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Definition
The relative positions of the moon, Earth, and the sun. |
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What is the main difference tween an asteroid and a meteoroid? |
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Why are the inner planets called terrestrial planets? |
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Definition
They are made of dense rock. |
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What is the most useful unit for measuring distances in the solar system? |
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Definition
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What is one way the gas giants differe(are different) from terrestrial planets? |
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Definition
They are made mainly of gas. |
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Tides are mainly cause by? |
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Definition
Differences in the gravitational pull. |
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Earth has seasons because... |
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Definition
The Earth's axis is tilted as it moves around the sun. |
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The phase of the moon you see depends on... |
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Definition
Where you are on Earth's surface. |
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When the north end of the Earth's axis is tilted toward teh sun, North America will experience.... |
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Definition
more direct rays and longer days. |
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In what layer of the sun is energy produced? |
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Definition
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The planets of the solar system formed.... |
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Definition
Planetesimals collided into one another. |
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Earth's period of revolution is about... |
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What bodies collide and combine to form Earth? |
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Each planet moves around its sun in the shape of a ... |
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Definition
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The gravitational attraction between two objects decreases if.... |
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Definition
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The gravitational attraction between two objects increases if .... |
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Definition
If the distance between them increases. |
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What caused the solar system to form? |
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Definition
Collapse of the solar nebula. |
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After the solar nebula collapsed, its center became very hot and.... |
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Venus if how many planets from the sun? |
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How many planets is Saturn from the sun? |
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The asteroid belt is between which two planets?
How many planets is Mars and Jupiter from the sun? |
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Definition
Mars and Jupiter
4th and 5th |
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Term
Small, rocky bodies that revolve around the sun are? |
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Smaller than Asteroids and are small, rocky bodies that revolve around the sun are? |
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Meteoroid that hits the Earth's ground is a? |
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Small body of ice, rock, and dust is a? |
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When the moon is >>>>>, the sunlit fraction we can see is getting larger. |
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When the shadow of one celestial body falls on another it is an... |
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