Layers of the Earth Test

Front

Which layer of the Earth is the hottest?

Back

The inner core is the hottest layer of the Earth.

Front

What is the sphere that includes all water on Earth?

Back

The hydrosphere includes all water on Earth in lakes, streams, oceans, glaciers, and rivers.

Tags

NGSS.MS-ESS2-4

Front

What is the correct order of Earth's layers starting from the surface?

Back

The correct order is: crust, mantle, outer core, inner core.

Front

What is the boundary between the crust and the mantle of Earth called?

Back

The boundary is called the MOHO (Mohorovicic Discontinuity).

Front

Why is the inner core solid?

Back

The inner core is solid due to the immense pressure that keeps it in a solid state.

Tags

NGSS.MS-PS1-4

Front

What is the outer core primarily made of?

Back

The outer core is primarily made of liquid iron and nickel.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What is the asthenosphere?

Back

The asthenosphere is a semi-fluid layer beneath the lithosphere that allows tectonic plates to move.

Tags

NGSS.MS-ESS2-3

Front

What is the difference between the crust and the mantle?

Back

The crust is the thin outer layer of the Earth, while the mantle is a thick layer beneath the crust made of semi-solid rock.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.