Earth's Four Spheres

Front

What are the four spheres of Earth?

Back

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

Front

What is the geosphere?

Back

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

Front

What is the hydrosphere?

Back

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

Front

What is the atmosphere?

Back

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

Front

What is the biosphere?

Back

The biosphere is the part of Earth where life exists, including all living organisms.

Front

How much of the Earth's surface is covered by water?

Back

About 71% of the Earth's surface is covered by water.

Front

What is an example of a feature in the geosphere?

Back

Examples include mountains, valleys, and volcanoes.

Front

What is an example of a feature in the hydrosphere?

Back

Examples include oceans, rivers, and lakes.

Front

What is an example of a feature in the atmosphere?

Back

Examples include clouds, air, and weather patterns.

Front

What is an example of a feature in the biosphere?

Back

Examples include forests, animals, and humans.