Earth's spheres

Front

What are the four main spheres of Earth?

Back

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

Front

How do the atmosphere and biosphere interact?

Back

The atmosphere and biosphere interact through processes like wind dispersing seeds and affecting plant growth.

Front

What is an example of the biosphere interacting with the geosphere?

Back

An example is plants growing in the soil, which is part of the geosphere.

Front

What role does the hydrosphere play in erosion?

Back

The hydrosphere, through moving water in rivers, causes erosion in valleys and landscapes.

Front

Why is it important to conserve water?

Back

It is important to conserve water because it is a limited resource, and not all water is accessible for human use.

Front

What is the significance of oxygen for living organisms?

Back

Oxygen is essential for living organisms as it is required for survival and growth.

Front

Define the geosphere.

Back

The geosphere refers to the solid parts of the Earth, including rocks, soil, and landforms.

Front

What is the atmosphere composed of?

Back

The atmosphere is composed of gases, primarily nitrogen and oxygen, along with trace gases.

Front

How does the biosphere affect the atmosphere?

Back

The biosphere affects the atmosphere by releasing oxygen through photosynthesis and influencing climate through vegetation.

Front

What is the hydrosphere?

Back

The hydrosphere encompasses all the water on Earth, including oceans, rivers, lakes, and groundwater.