Earth's Interior

Front

What is the outermost layer of the Earth?

Back

The crust.

Front

What layer of the Earth is completely liquid?

Back

Outer Core.

Front

What is the heat source that powers the convection currents in the mantle?

Back

The Inner Core.

Front

Identify the layer of the Earth that is solid and composed mainly of iron and nickel.

Back

Inner Core.

Front

What is the layer of the Earth located between the crust and the outer core?

Back

Mantle.

Front

What is the primary composition of the Earth's crust?

Back

Silicate rocks.

Tags

NGSS.MS-ESS3-1

Front

What is the temperature range of the outer core?

Back

Approximately 4,000 to 6,000 degrees Celsius.

Front

What geological process is driven by convection currents in the mantle?

Back

Plate tectonics.

Tags

NGSS.MS-ESS2-3

Front

What is the approximate thickness of the Earth's crust?

Back

5 to 70 kilometers.

Front

What is the main difference between the inner core and outer core?

Back

The inner core is solid, while the outer core is liquid.