Earth's Spheres and Atmospheric Layers

Front

What are the four main spheres of the Earth?

Back

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

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water within the Earth and atmosphere, involving processes like evaporation, condensation, precipitation, and runoff.

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Front

How does precipitation affect the geosphere?

Back

Precipitation causes weathering, erosion, and deposition on rocks, shaping the Earth's surface.

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Front

What is the mesosphere?

Back

The mesosphere is a layer of the Earth's atmosphere located above the stratosphere, where temperatures decrease with altitude and it helps break down meteors.

Front

What are the two most abundant gases in the Earth's atmosphere?

Back

Nitrogen and Oxygen.

Front

What is conduction?

Back

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

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Front

Give an example of conduction in the atmosphere.

Back

The warmer ground transfers heat directly to the air above it.

Front

What is the role of the atmosphere in protecting the Earth?

Back

The atmosphere absorbs harmful UV radiation from the Sun and helps regulate temperature.

Front

What is the hydrosphere?

Back

The hydrosphere includes all the water on Earth, including oceans, rivers, lakes, and water vapor in the atmosphere.

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Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.