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Waiting on First Period . . .

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Across
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Composed mainly of nickel and iron, and about as hot as the surface of the Sun
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The crust, and UPPER MOST layer of the mantle combined together create this
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The study of the universe and the Earth’s relationship with it as a whole
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One of the 3 MAIN layers of the Earth.
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The zone inhabited by life
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This is a specific type of science which helps understand the origin of Earth and development of the planet
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The inner most layer of the mantle is known as this.
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These float on top of the weak, plastic mantle rock beneath, and glide across the Earth
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This science uses chemistry, physics, geology and biology together to study the oceans
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Study of Earth
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One of the 4 main spheres of the Earth.
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Total number of layers included in the mantle
Down
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This layer of the core is a liquid
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This is how many total layers the core is made up of
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Includes all water on Earth, circulating among oceans, land, glaciers, and atmosphere
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The study of the atmosphere and the processes that produce weather and climate
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Main theory for how our solar system was created
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the name for all the sciences that collectively seek to understand Earth and its neighbors in space
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Middle layer of the mantle is also known as this.
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This examines the materials composing Earth, and seeks to understand the many processes that occur on and under the surface
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Acts as a filter by day, and blanket by night
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One of the things which increases as you go deeper into the Earth
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Depth of this ranges from 5-25 miles deep