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How do you know that the earth is in layers?
Scientists have determined the layers of the Earth by studying seismic waves from earthquakes. These waves travel through the Earth at different speeds and provide information about the density and composition of the different layers beneath the surface. By analyzing this data, scientists have been able to deduce the Earth's structure and layers.
What do scientists study to learn about the temperature inside the earths crust?
Scientists study seismic waves to learn about the temperature inside the Earth's crust. By analyzing the speed and direction of these waves as they travel through different layers of the Earth, scientists can infer information about the temperature and composition of the Earth's crust.
How do scientists know that the Earth's core is made of a different material?
Scientists infer that the Earth's core is made of a different material from seismic waves generated by earthquakes. The behavior of these waves as they travel through the Earth's interior suggests that the core is composed of iron and nickel, based on its density and the way the waves travel through it. Additionally, the behavior of magnetic fields around the Earth supports this conclusion.
How do scientists know that their is a red hot coar in the center of earth?
A man named Richard Dixon Oldham discovered that the earth has a core. He determined this by studying the propagation of seismic waves from earthquakes. He hypothesized that the seismic waves had an origin, which he believed came from the center of the earth from a molten core.
How do scientists know about the existence of the different layers of the earth?
Scientists know about the existence of the different layers of the Earth primarily through studies of seismic waves generated by earthquakes. By analyzing how these waves travel through the planet, scientists can infer information about the density, composition, and structure of the various layers. Other sources of information include drilling samples and studies of rocks and minerals brought to the surface through volcanic activity.
What do scientists Know about aliens?
they were first on earth
How do scientists know the poles of the earth are moving?
a compass
Why do scientists on Earth want to know so much about other planets?
We may possibly know how Earth was created.
How did scientists know how old the earth is?
By carbon dating minerals, fossils or objects, in the earth.
How do scientists know that planets are closer to earth than the stars?
not a clue
How do scientists know how old the moon is?
The nMoon was once a part of the Earth, so it is the same age as the earth.
What layer of the earth do scientists know most about?
the crust because that is the layer we live on so scientists can study it more thourouly
Why do scientists study the characteristics that life on the earth possible?
Scientists study the characteristics that make life on earth possible so they can figure out when life will know longer be possible. They also want to know what causes life to not be possible.
How do scientists know that the earth has a core?
By using special instruments and using scientific evidences.
How do scientists know when the next eclipse will occur?
by knowing the placement of the sun ,earth and the moon
How do scientists know Earth's plates float?
Earth plates do not float. They move over time due to a variety of environmental factors
How do scientists know that mollusks lived in Earth's oceans about 540 millions years ago?
fossils
