+ Earthquakes: What is it? What does it cause? Mrs. Borgman 8 th Grade Science

+ Can a deaf person be a scientist? Who is Guillame Amontons?Guillame Amontons

+ What are Earthquakes?

+ Lets look inside the earth!

+ The Inside of the Earth

+ Crust

+ Two things can happen: A Mountain An Earthquake Picture Courtesy of Getty Images

+ What do earthquakes cause? Your turn to answer! Picture Courtesy of Ocean County College

+ Ground shaking Click here to watch a video. Pictures Courtesy of USGS When the ground shakes buildings can fall. Ground shaking can also cause roads to be damaged.

+ Landslides Click here to watch a video. Picture Courtesy of USGS Mud and rocks become loose. The mud and rocks slide down the hill. Sometimes houses are destroyed. Picture Courtesy of the List Universe

+ Fires Picture Courtesy of Mark Theissen Power lines can catch on fire. This causes grass to catch on fire. The fire spreads. Click here to watch video.

+ Surface faulting Picture Courtesy of Getty Images Picture Courtesy of USGS The ground breaks and cracks. Sometimes the road is damaged.

+ Liquefaction Click here to watch video. The ground becomes soft. Buildings sink into the ground. Picture courtesy of NGDCPhoto Courtesy of the University of Washington

+ Tsunamis Where does it start? What happens when it hits land? Earthquakes under the water cause tsunamis. A lot of water comes on to the land. Many people die because there is no warning. Photo Courtesy of Digital Globe

+ Earthquake Webquest Introduction: Today there was an earthquake in Denton and many people are scared. It is your job as a news reporter to explain to the people what earthquakes are, what they cause, and how they can prepare for an earthquake if it happens again. You will videotape your report and it must be at least four minutes long.

+ Let’s Review! What causes an earthquake?

+ Let’s Review! Name one event earthquakes cause and why it is bad.

+ Let’s Review! Why is it important to your life to know about earthquakes?

+ Let’s Review! Compare liquefaction and landslides.

+ Let’s Review! Can you think of a natural event we have here in north Texas that causes a lot of damage?

+ Let’s Review! Earthquakes cause ground shaking, landslides, fires, surface faulting, liquefaction, and tsunamis. Which of these do you think is the worst? Why?