How do scientists study earth's layers?

1 Answer
Feb 18, 2018

By studying how seismic waves travel through the Earth


Seismic waves, which are generated when an earthquake occurs, travel throughout the entire Earth. Since the different layers of the earth can allow seismic waves to pass through them differently, scientists use this to know about the earths layers.

And so, by studying the rate at which these waves travel through the layers of earth, the Scientists study about them.

~Hope this helps.