Major Layers
Physical Layers
Liquid or Solid?
Details and Facts
Tectonic Plates
100
The three major layers of the Earth
What is the crust, the mantle and the core.
100
The five physical layers of the Earth in order from outermost to innermost.
What are the lithosphere, the asthenosphere, the mesosphere, the outer core and the inner core?
100
The state of matter of the lithosphere.
What is solid?
100
The hottest major layer of the Earth.
What is the core?
100
Pieces of the lithosphere that move around on top of the asthenosphere.
What is a tectonic plate?
200
The thickest major layer of the Earth
What is the mantle
200
The physical layers that make up the mantle.
What are the bottom half of the lithosphere, the asthenosphere and the mesosphere?
200
The state of matter of the asthenosphere.
What is molten rock or liquid?
200
The major layer of the Earth from which lava comes.
What is the mantle?
200
The only physical layer of the Earth scientists have ever visited.
What is the lithosphere?
300
The thinnest major layer of the Earth and the only layer scientists have ever visited.
What is the crust.
300
The physical layers that make up the core.
What are the outer core and the inner core?
300
The state of matter of the outer core.
What is liquid?
300
The physical layer of the Earth that scientists believe is spinning on its own at a much faster rate than the rest of the Earth.
What is the inner core?
300
The number of major tectonic plates covering the Earth.
What is 10?
400
The very dense, very hot center of the Earth.
What is the core?
400
The thickest physical layer of the Earth.
What is the mesosphere?
400
The state of matter of the inner core.
What is solid?
400
The densest major layer of the Earth.
What is the core?
400
The waves produced by earthquakes which scientists study to determine the density and thickness of each physical layer of the Earth.
What are seismic waves?
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