Earth's Spheres

Front

Atmosphere

Back

The layer of gas surrounding planet Earth that is held in place by gravity.

Front

Biosphere

Back

The sum of all living matter on Earth.

Front

Ecosystem

Back

All living and nonliving things and all their

interactions in an area

Front

Geosphere

Back

The portion of the

system of Earth that

includes Earth’s

interior, rocks and

minerals, landforms,

and the processes that

shape Earth’s surface

Front

Hydrosphere

Back

All the water on

Earth’s surface;

includes all water

sources above and

below the surface

Front

Interactions

Back

Actions by one thing that have an effect on a

different or separate thing

Front

Landform

Back

A feature on the surface of Earth such as a

mountain, hill, dune, ocean, or river

Front

Molten Rock

Back

Rock heated to a temperature that is sufficient to

turn it into a thick liquid

Front

Organism

Back

A single, self-contained, living thing

Front

Sediment

Back

Sand or small pieces of rock broken down by

weathering and deposited on land or at the

bottom of a body of water