Layers of the earth

Front

What are the two main types of rocks found in the Earth's crust?

Back

Basalt and granite.

Front

What is the primary composition of oceanic crust?

Back

Basalt.

Tags

NGSS.MS-ESS2-3

Front

What are seismic waves?

Back

Energy waves released by earthquakes.

Tags

NGSS.MS-ESS3-2

Front

What is the lithosphere?

Back

The layer that contains the upper layer of the upper mantle and crust.

Front

What is the outer core primarily made of?

Back

Liquid metal.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is primarily composed of basalt, while continental crust is mainly composed of granite.

Front

What is the mantle?

Back

The layer of the Earth located between the crust and the outer core, composed of silicate rocks.

Front

What is the significance of the asthenosphere?

Back

It is a semi-fluid layer within the upper mantle that allows tectonic plates to move.

Tags

NGSS.MS-ESS2-3

Front

What are tectonic plates?

Back

Large sections of the Earth's lithosphere that move and interact with each other.

Tags

NGSS.MS-ESS2-3

Front

What is the role of the inner core?

Back

It is a solid sphere composed mainly of iron and nickel, contributing to the Earth's magnetic field.

Tags

NGSS.HS-ESS2-3

NGSS.HS-PS2-5