EES EXAM 1 STUDY GUIDE Questions and answers, Graded A+

EES EXAM 1 STUDY GUIDE Questions and answers, Graded A+ How do we know about the earth's interior? - -Seismic waves What is the approximate distance from the surface to the center of the Earth? - -6400 km Which layer in the Earth does not transmit S-waves? - -the outer core How thick is the crust? Which crust is thicker, continental or oceanic? - -5-80km, Continental is thicker Which crust is more dense, continental or oceanic? - -: Oceanic What element makes up most of the Earth's core? - -Iron What is the most abundant element in the Earth's crust? - -Oxygen Which of the following types of seismic waves arrive at a seismometer first? - -P What is the minimum number of seismograph stations needed to locate the epicenter of an earthquake? - -3 The energy released during a magnitude 8 earthquake is approximately __ times greater than the energy released during a magnitude 6 earthquake. - -900 How well can scientists predict earthquakes? - -We cannot yet predict earthquakes What is a dip-slip fault? - -A:Normal and reverse A: Dip-slip fault is when the movement is parallel to the dip line which is a line on the fault of the surface that is oriented down the steepest slope of the fault surface What was Andrija Mohorovicic's major contribution to geology? - -He was the first to say that the earth's interior had layers Who discovered each of the layers of the Earth? - -Crust/mantle boundary A: Andrija Mohorovicic Core/mantle boundary A: Beno Gutenberg Inner core/outer core boundary A: Inge Lehmann Which region on the Earth