Activity #2
—> Differentiate the following words based on how you understand the lesson:
1. Lithosphere and Asthenosphere
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2. P-waves and S-waves
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3. Body wave and Surface wave
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—> Differentiate the following words based on how you understand the lesson:
1. Lithosphere and Asthenosphere
________________________________________________________________________________________________
2. P-waves and S-waves
________________________________________________________________________________________________
3. Body wave and Surface wave
________________________________________________________________________________________________
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Explanation:
1. (Lithosphere)
The lithosphere is the solid, outer part of the Earth, including the brittle upper portion of the mantle and the crust.
(Asthenosphere) the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
2. P-waves and S-waves
In P or compressional waves, the vibration of the rock is in the direction of propagation. P waves travel fastest and are the first to arrive from the earthquake. In S or shear waves, rock oscillates perpendicular to the direction of wave propagation.
3. Body wave and surface wave
The two main types of waves are body waves and surface waves. Body waves can travel through the Earth's inner layers, but surface waves can only move along the surface of the planet like ripples on water. Earthquakes send out seismic energy as both body and surface waves
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