Spheres of the Earth

Front

What are the four spheres of the Earth?

Back

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

Front

What is the biosphere?

Back

The biosphere is the part of Earth where life exists, including land, water, and the atmosphere.

Front

What is the atmosphere?

Back

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

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 geosphere?

Back

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

Front

How do the biosphere and atmosphere interact?

Back

Living organisms in the biosphere breathe in oxygen from the atmosphere and release carbon dioxide.

Front

How do the biosphere and geosphere interact?

Back

Plants in the biosphere take nutrients from the soil in the geosphere.

Front

Where is most of Earth's water found?

Back

Most of Earth's water is found in the oceans.

Front

What happens when dead things decompose?

Back

When dead things decompose, nutrients, including nitrogen, are returned to the soil, interacting with the geosphere.

Front

What is an example of the atmosphere affecting the biosphere?

Back

Weather conditions in the atmosphere can affect plant growth in the biosphere.