| Layers of earth | Protoplanet earth | Heliocentric & Geocentric models | Misc. | Types of earth science |
|---|---|---|---|---|
|
What is layers
Molten earth materials separated into what?
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What is the same
Scientists believe that protoplanet earth had _______ Material throughout.
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What is sun
what does Helio mean?
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What is an informed guess that tries to explain how or why an event occurs.
what is a hypothesis?
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What is earth and its events
Earth science is the study of...
|
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What is the crust
This is a layer of rock 10-65km thick
|
What is the protoplanet hypothesis
The most accepted hypothesis for explaining the origin of the solar system is what?
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What is earth
What does Geo mean?
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What is counter clockwise
what direction do planets move around the sun?
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What is the study of oceans
what is oceanography?
|
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What is the outer core
This is a layer made of liquid iron and nickel 2250km thick
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What is the theory that the solar system formed from a huge cloud of dust and gas
The protoplanet hypothesis is what?
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What is Earth
in the geocentric model, people believed _______ was the center of the universe.
|
What is steam and gasses
Repeated volcanic eruptions released _______ and ______.
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What is the study of space and the universe
what is Astronomy?
|
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What is the mantle
This is a layer of rocks rich in iron, magnesium, and silicon
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What is shrank due to the pull of its own gravity and began to rotate faster & faster. Compression in the middle formed the sun
The cloud of dust in the protoplanet theory did what?
|
What is sun-centered
The heliocentric model is _________-centered
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What is rocks melted and iron in the rocks sank toward the core
The earth was so hot that _______ melted and ____________________________.
|
What is the study of weather and climate
What is meteorology?
|
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What is the inner core
This is a layer made of solid iron and nickel 1200km in diameter
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What is a plate-like disk. Friction within the disk caused mass to collect, and the mass turns into protoplanets then planets
What formed around the sun?
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What is the Heliocentric model
scientists have proven that the ______model is correct.
|
What is oceans or atmosphere
Early earth didn't have any _______ or ___________.
|
What is the study of earths origin, structure, and history
What is Geology
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