Four Spheres

Front

What are the four spheres of Earth?

Back

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

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

What is the geosphere?

Back

The geosphere refers to all the rocks, minerals, and ground that are found on and in Earth.

Front

What is the hydrosphere?

Back

The hydrosphere is composed of all the water on or near the Earth, including oceans, rivers, lakes, and groundwater.

Front

What is the atmosphere?

Back

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

Front

How do plants connect the biosphere to the atmosphere?

Back

Plants connect the biosphere to the atmosphere by producing oxygen through photosynthesis.

Front

What role do bats play in the biosphere?

Back

Bats are part of the biosphere as they are living organisms that find shelter in caves, contributing to the ecosystem.

Front

What is an example of the interaction between the hydrosphere and the geosphere?

Back

An example is the erosion of rocks by water, which shapes the landscape.

Front

How does the atmosphere affect the hydrosphere?

Back

The atmosphere affects the hydrosphere through processes like evaporation and precipitation.

Front

What is the significance of the geosphere in Earth's systems?

Back

The geosphere provides the foundation for landforms and habitats, influencing ecosystems and climate.