Earth's Spheres

Front

What is the body of air surrounding our planet called?

Back

Atmosphere

Front

What is composed of all the water on or near the earth?

Back

Hydrosphere

Front

When dead plants decompose and nitrogen is returned to the soil, which two spheres interact?

Back

The biosphere and geosphere

Front

Which sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts?

Back

Geosphere

Front

When plants draw nutrients from the soil, which two spheres interact?

Back

The biosphere and the geosphere

Front

What is the term for the layer of gases surrounding Earth?

Back

Atmosphere

Front

What term describes all the water found on Earth, including oceans, rivers, and lakes?

Back

Hydrosphere

Front

Which sphere is made up of all living organisms on Earth?

Back

Biosphere

Front

What is the solid part of the Earth, including rocks and soil, called?

Back

Geosphere

Front

How do the biosphere and atmosphere interact?

Back

Plants take in carbon dioxide from the atmosphere for photosynthesis.