Earth Layers

Front

What are the three main layers of the Earth?

Back

The three main layers of the Earth are the crust, mantle, and core.

Front

What is the outermost layer of the Earth called?

Back

The outermost layer of the Earth is called the crust.

Front

What is the mantle primarily composed of?

Back

The mantle is primarily composed of silicate rocks and minerals.

Front

What is the difference between the lithosphere and the asthenosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle, while the asthenosphere is the semi-fluid layer beneath it.

Front

What is the primary mechanism that drives the movement of tectonic plates?

Back

The primary mechanism that drives the movement of tectonic plates is convection currents in the mantle.

Tags

NGSS.MS-ESS2-3

Front

What is the composition of the inner core?

Back

The inner core is primarily composed of iron and nickel.

Tags

NGSS.MS-PS1-1

Front

How do seismic waves help scientists understand the Earth's interior?

Back

Seismic waves help scientists understand the Earth's interior by providing information about the layers they pass through, revealing their properties and composition.

Tags

NGSS.HS-ESS1-5

Front

What is the temperature range of the outer core?

Back

The temperature of the outer core can reach up to 9000 degrees Fahrenheit.

Tags

NGSS.HS-ESS2-3

Front

What role does the outer core play in Earth's magnetic field?

Back

The outer core, which is liquid and composed of iron and nickel, generates Earth's magnetic field through the movement of these metals.

Front

What causes the enormous pressure in the Earth's inner core?

Back

The enormous pressure in the Earth's inner core is caused by the weight of the overlying layers of the Earth.

Tags

NGSS.HS-ESS2-3