Earth's Spheres (Earth's Systems)

Front

What are the four spheres of Earth?

Back

The four spheres of Earth are the geosphere, hydrosphere, atmosphere, and biosphere, and they are all connected and interact with each other.

Front

What does the geosphere include?

Back

The geosphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts.

Front

Which two spheres interact when plants get nutrients from the soil?

Back

The interaction is between the biosphere and the geosphere.

Front

What is the body of gases surrounding Earth called?

Back

The body of gases surrounding Earth is called the atmosphere.

Front

What does 'Atmo' refer to?

Back

'Atmo' refers to 'Air'.

Front

What is the hydrosphere?

Back

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists, including land, water, and the atmosphere.

Front

How do the spheres of Earth interact?

Back

The spheres interact through processes such as the water cycle, carbon cycle, and energy flow.

Front

What is the atmosphere primarily composed of?

Back

The atmosphere is primarily composed of nitrogen (78%) and oxygen (21%), along with trace gases.

Front

What role does the geosphere play in supporting life?

Back

The geosphere provides essential minerals and nutrients for plants and animals.