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Earthquakes create waves which travel through the Earth until they reach the other side of Earth. Scientists can measure these waves, and by knowing where they originated, they can see how they bend. The waves bend as they go through the Earth due to the differing densities of the layers. For example, the waves cannot travel through the core, they must bend around it. By studying how the waves bend, scientist know where the density changes in the layers. The layers classified according to this are called the crust, mantle, and core. They are called the physical layers because they differ physically (they have different densities, composition, etc.). The process is very complex, and this is a simplified answer, so feel free to look it up if you are still curious. You could look for something like "discovery of the layers".
I hope this made sense.
What else can I help you with?
What layers of earth have scientist explored?
PORN
What natural accurence help scientist learn about the layers of earth?
hi
What do scientist use to establish earthquakes and volcanoes?
The density of Earth's layers
Is A scientist who researches the age of rock layers in the Grand Canyon studies earth science?
Earth
What are the limitations of scientist model about the earth layers?
Well it is much smaller than the actual earth. The crust is a little tiny tiny sliver compared to the other layers. It doesn't get to show the temperature or state of matter on a model (at least most).
How do scientist learn about the mantle and core on earth?
they cut cross-sections of layers using a specially made drill
What characteristics scientist use to define four layers of earth atmosphere?
they use the troposphere, stratosphere, mesosphere, and thermosphere
How do scientist learn about changes on earth from rocks?
Scientists study layers of rocks to learn about the earth and how it has changed. They know that if layers are undisturbed, the oldest rocks are on the bottom and the youngest rocks are on top. They know how old each layer is in relation to the other layers.
How are scientist were able to arrive at the district layers of the earth?
Scientists were able to arrive at the distinct layers of the Earth through various methods, including seismic imaging, studying mineral properties, and examining volcanic eruptions. By analyzing how seismic waves travel through the Earth and studying how different materials behave under pressure and temperature, researchers have been able to better understand the composition and structure of the Earth's layers.
Who is a scientist that studies the earth?
A geologist is a scientist that studies the Earth.
Why do scientist divide the earth into two sets of layers?
Scientists divide the Earth into two main layers, the crust and the mantle, based on their composition and characteristics. This division helps provide a simplified model for understanding Earth's structure and how different processes occur within its interior. By studying these layers separately, scientists can better investigate the properties, behavior, and interactions of the materials that make up the Earth.
How has technology helped scientist explore the Earth?
Scientists shot semantic waves through the layers to find out how much velocity each layer has.
