Earth's Spheres

Front

What are the four main spheres of Earth?

Back

The four main spheres of Earth are the biosphere (living things), atmosphere (air), hydrosphere (water), and geosphere (land).

Front

What is the biosphere?

Back

The biosphere is the part of Earth where living organisms exist, including plants, animals, and microorganisms.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth, essential for life as it contains oxygen and protects us from harmful solar radiation.

Tags

NGSS.MS-ESS2-5

Front

What is the hydrosphere?

Back

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

Tags

NGSS.MS-ESS2-4

Front

What is the geosphere?

Back

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

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NGSS.MS-ESS2-1

Front

How do the biosphere and atmosphere interact?

Back

Plants in the biosphere take in carbon dioxide from the atmosphere for photosynthesis.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is an example of biosphere-atmosphere interaction?

Back

Factories polluting the air by burning fossil fuels, releasing carbon dioxide into the atmosphere.

Tags

NGSS.MS-LS2-4

Front

Which sphere contains whales and dolphins?

Back

The biosphere contains whales and dolphins as they are living organisms.

Front

What happens during a volcanic eruption in terms of sphere interaction?

Back

During a volcanic eruption, the geosphere (volcano) interacts with the atmosphere (ash and gases released into the air).

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-2

Front

Where is the oxygen we breathe found?

Back

The oxygen we breathe is found in the atmosphere.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3