Unit 6 Earth Vocabulary 24-25

A mixture of gases that surrounds a planet or moon.

• Atmosphere
• Mesosphere
• Geosphere
• Lithosphere

The variety of life in the world or in a particular habitat or ecosystem.

• Biosphere
• Sediment
• Geosphere
• Biodiversity

Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere.

• Mesosphere
• Biosphere
• Lithosphere
• Geosphere

A biological community of interacting organisms and their physical environment.

• Erosion
• Watershed
• Crust
• Ecosystem

The mostly solid, rocky part of the Earth; extends from the center of the core to the surface of the crust.

• Mesosphere
• Biosphere
• Atmosphere
• Geosphere

Water that fills the cracks and spaces in underground soil and rock layers.

• Groundwater
• Ecosystem
• Surface water
• Crust

All the water at and near the surface of the earth, 97% of which is in oceans.

• Geosphere
• Biosphere
• Hydrosphere
• Atmosphere

Water above the surface of the land, including lakes, rivers, streams, ponds, floodwater, and runoff.

• Outer core
• Groundwater
• Sediment
• Surface water

An area of land that drains water to a common outlet, such as a river, bay, or reservoir.

• Watershed
• Weathering
• Atmosphere
• Ecosystem

The soft layer of the mantle on which the tectonic plates move.

• Lithosphere
• Geosphere
• Asthenosphere
• Atmosphere