Earth's Systems

Front

What causes large continent-sized plates to move on the Earth's surface?

Back

Thermal energy moving material within Earth.

Tags

NGSS.MS-ESS2-3

Front

What evidence suggests that parts of Virginia were once covered by an ocean?

Back

Fossils of ocean animals have been found in Virginia.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Front

What processes explain the formation of an arch in rock formations?

Back

Weathering and erosion.

Tags

NGSS.MS-ESS2-2

Front

What happens to pressure and temperature as you move from the Earth's crust toward the inner core?

Back

Pressure and temperature increase.

Front

What are the two outer layers of the Earth primarily composed of?

Back

Rocky material.

Front

What is the Earth's crust?

Back

The outermost layer of the Earth, composed of solid rock.

Front

What is the mantle?

Back

The layer of the Earth between the crust and the core, composed of semi-solid rock.

Front

What is the core of the Earth?

Back

The innermost layer of the Earth, composed mainly of iron and nickel.

Front

What is erosion?

Back

The process by which soil and rock are removed from the Earth's surface by wind or water.

Tags

NGSS.MS-ESS2-2

Front

What is deposition?

Back

The process by which sediments, soil, and rocks are added to a landform.