Earth's Spheres & Atmosphere

Front

What are the four main spheres of Earth?

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The four main spheres of Earth are the atmosphere, hydrosphere, geosphere, and biosphere.

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What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth, essential for weather and climate.

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What is the hydrosphere?

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The hydrosphere includes all the water on Earth, such as oceans, rivers, lakes, and ice.

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What is the cryosphere?

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The cryosphere refers to the frozen water part of the Earth system, including ice caps and glaciers.

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NGSS.MS-ESS2-4

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What is the geosphere?

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

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What role does carbon dioxide play in the atmosphere?

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Carbon dioxide helps to trap heat in the atmosphere, influencing Earth's temperature.

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What is conduction?

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Conduction is the transfer of heat through direct contact between materials.

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What is convection?

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Convection is the transfer of heat through the movement of fluids (liquids and gases).

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What is radiation?

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Radiation is the transfer of heat in the form of electromagnetic waves, such as sunlight.

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How does fog form?

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Fog forms when water vapor condenses into tiny droplets in the atmosphere, reducing visibility.

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NGSS.MS-ESS2-4

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