HMH Geography Ch-2 key terms

Front

Continent

Back

Landmasses above water on Earth.

Front

Solar System

Back

The sun plus the nine known planets and other celestial bodies orbiting the sun.

Front

Core

Back

The solid metallic center of the Earth.

Front

Mantle

Back

A soft layer of molten rock that floats on top of the core.

Front

Crust

Back

The thin layer of rock at the surface of the Earth.

Front

Magma

Back

Molten rock that is the result of the magma melting the underside of the Earth's crust.

Front

Atmosphere

Back

Layer of gases, including oxygen, that surrounds the Earth.

Front

Lithosphere

Back

The solid rock portion of the Earth’s surface.

Front

Hydrosphere

Back

The water elements of the Earth, including oceans, seas, rivers, lakes, and water in the atmosphere.

Front

Biosphere

Back

The part of the Earth where plants and animals live.