Front

What is the layer of gases surrounding Earth called?

Back

Atmosphere

Front

What is a naturally occurring solid made mainly of minerals?

Back

Rock

Front

What shape is Earth commonly described as?

Back

Sphere

Front

What is the Earth system that contains the troposphere?

Back

Atmosphere

Front

What is the term for the solid outer layer of Earth?

Back

Crust

Front

What is the layer beneath the Earth's crust called?

Back

Mantle

Front

What is the innermost layer of Earth?

Back

Core

Front

What is the term for the water component of Earth?

Back

Hydrosphere

Front

What is the term for the part of Earth that supports life?

Back

Biosphere

Front

What is the process by which rocks are broken down by weathering?

Back

Erosion