Geology on Mars Vocabulary

Front

Contrast

Back

To notice how two or more things are different.

Front

Evidence

Back

Information about the natural world that is used to support or go against (refute) a claim.

Front

Planetary Geologist

Back

A scientist who studies the geospheres of planets in our solar system.

Front

Landform

Back

A feature that forms on the surface of a planet, such as a mountain, channel, or sand dune.

Front

Model

Back

An object, diagram, or computer program that helps us understand something by making it simpler or easier to see.

Front

Geosphere

Back

The solid part of a planet, including the crust and the interior.

Front

Biosphere

Back

The regions of the surface, atmosphere, and hydrosphere of the Earth (or another planet) occupied by living organisms.

Front

Atmosphere

Back

The layer of gases surrounding a planet.

Front

Hydrosphere

Back

All the water on the planet's surface, including oceans, rivers, lakes, and water vapor.

Front

Crust

Back

The outermost layer of a planet, including the land and ocean floors.