Earthquakes

Science, Grade 3

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© Copyright NewPath Learning. All Rights Reserved. 94-4350 Visit www.newpathlearning.com for Online Learning Resources. Earthquakes Earthquakes Change Earth’s Surface Earthquakes cause rapid changes to the Earth’s surface. An earthquake is a sudden shift in the Earth’s crust that causes the ground to shake and vibrate violently. Earthquakes can cause a lot of damage. continental plate oceanic plate mantle Plates Earthquakes most often occur where plates meet on land or under the ocean. These plates move slowly and might run into each other, pull apart, or grind past each other. Crust Lithosphere seismic waves What is a seismic wave? When crustal rock breaks, stored energy is released. The vibrations that travel through the Earth are called seismic waves. They cause the ground to shake. Photos courtesy of USGS. crust seismic waves plates move
© Copyright NewPath Learning. All Rights Reserved. 94-4350 Visit www.newpathlearning.com for Online Learning Resources. Earthquakes happen quickly! Observe how Earth’s surface changed. Earthquakes Pause & Review Observe how an earthquake changed this landscape. Record your observations. __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________ __________________________