How do scientists study earth's layers?

Question

Audrey Adams · Accepted Answer

By studying how seismic waves travel through the Earth

Seismic waves, which are produced when an earthquake happens, travel throughout the entire planet. Scientists use this information about the layers of the earth to understand how different layers allow seismic waves to pass through them. Thus, scientists learn about these waves by observing how quickly they move through the earth's layers. I hope this is useful.

Eleanor Apodaca · Answer

undefined Scientists study Earth's layers primarily through indirect methods such as seismic waves, gravity measurements, and volcanic activity. Seismic waves generated by earthquakes provide valuable information about the density and composition of Earth's interior by how they propagate through different layers. Gravity measurements help scientists map variations in density, which can indicate transitions between layers. Volcanic activity provides insights into the composition of Earth's mantle and core through the analysis of volcanic rocks and gases. Additionally, laboratory experiments and computer simulations help simulate conditions within Earth's layers to better understand their properties and behavior.