Earth Systems

Front

What is the hydrosphere?

Back

The hydrosphere is the part of Earth that includes all the water in oceans, lakes, rivers, glaciers, and underground.

Front

What is the geosphere?

Back

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

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 Earth, essential for weather and life.

Front

What is a glacier?

Back

A glacier is a large mass of ice that moves slowly over land, storing a significant amount of Earth's fresh water.

Front

What are fossil fuels?

Back

Fossil fuels are natural substances like coal, oil, and natural gas formed from the remains of ancient plants and animals.

Front

What is renewable energy?

Back

Renewable energy comes from sources that can be replenished naturally, such as sunlight, wind, and water.

Front

What is a nonrenewable resource?

Back

A nonrenewable resource is a resource that cannot be replaced once it is used up, like oil and coal.

Front

What role do trees play in the environment?

Back

Trees provide oxygen, improve air quality, conserve water, preserve soil, and support wildlife.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.