6th Grade: Topic 5-Introduction to Earth's Systems

The relatively thin layer of gases that form Earth's OUTERMOST layer

• atmosphere
• ocean
• desert
• mountain

The DENSEST part of Earth, including the crust, mantle, and core

• Cryosphere

• Hydrosphere

• Geosphere

• Atmosphere

The portion of Earth that consists of WATER in any of its forms including oceans, glaciers, rivers, lakes, groundwater, and water vapor

• Hydrosphere
• Biosphere
• Lithosphere
• Atmosphere

The portion of the hydrosphere that is frozen, including all the ice and snow on land, plus sea and lake ice

• Biosphere
• Cryosphere
• Atmosphere
• Lithosphere

The parts of Earth that contain living organisms

• biosphere
• hydrosphere
• atmosphere
• geosphere

The ability to do work or cause change

• speed
• energy
• force
• power

The shape of the land determined by elevation, relief, and landforms

• geography
• cartography
• meteorology
• topography

A feature on the surface of Earth, such as a coastline, dune, or mountain

• landform
• spaceform
• waterform
• skyform

A landform with high elevation and high relief

• valley
• plateau
• canyon
• mountain

A line that forms the boundary between the land and the ocean or a lake

• coastline
• desert
• mountain range
• riverbank