Earth Model Diagram. The upper part of the mantle is cooler and more rigid than the deep mantle. As the earth rotates the liquid outer core spins.
The rotation of the earth 24 hours explains the alternation of day and night. Students build a model of the sun earth moon system exploring how the moon revolves around the earth and the earth around the sun. The earth consists of four concentric layers.
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Good luck with that. Crust the crust is the top layer that we. 44 out of 5 stars 5. A cut away illustration of earths interior.