Earth's systems

Front

What are the four main Earth systems?

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The four main Earth systems are the Atmosphere, Biosphere, Geosphere, and Hydrosphere.

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What is the Atmosphere?

Back

The Atmosphere is the layer of gases that surrounds the Earth.

Front

What is the Biosphere?

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The Biosphere includes all living organisms on Earth and their interactions with the environment.

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What is the Geosphere?

Back

The Geosphere is the solid part of the Earth, including rocks, soil, and landforms.

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What is the Hydrosphere?

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The Hydrosphere encompasses all water on Earth, including oceans, rivers, lakes, and groundwater.

Front

What layer of the atmosphere contains weather and clouds?

Back

The troposphere is the layer of the atmosphere where weather occurs and clouds are found.

Front

What gas makes up the majority of the atmosphere?

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Nitrogen makes up about 78% of the Earth's atmosphere.

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What is a Field Study?

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A Field Study is an investigation conducted in a natural setting without a hypothesis.

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What is a Comparative Investigation?

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A Comparative Investigation involves comparing two or more groups or conditions to draw conclusions.

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What is an Experimental Investigation?

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An Experimental Investigation tests a hypothesis by manipulating variables in a controlled environment.