Library > Earth Science > Earth Structure
Visionlearning - an interactive practice exercise.
(a) the lithosphere and the aesthenosphere
(b) the inner core and the outer core.
(c) the crust and the mantle.
(d) the mantle and the core.
(a) each earthquake produces an array of seismic waves.
(b) earthquakes are extremely destructive.
(c) they happen below the surface of the earth.
(d) they release stress that has been stored.
(c) change velocity.
(d) all of the choices
(a) The core is made of iron.
(b) The mantle is denser than the crust.
(c) The mantle is liquid.
(d) The outer core is liquid.
(a) Seismic waves do not arrive uniformly all over the earth.
(b) There are two types of seismic waves, S- and P-waves.
(c) Where the mantle is exposed, it looks very different.
(d) Seismic waves attenuate with distance.
(a) thicker and less dense
(b) thicker and more dense
(c) thinner and less dense
(d) thinner and more dense
(b) mechanical properties.
(c) the way they are formed.
(d) where they are formed.
The Earth: A Very Short Introduction (Very Short Introductions)
Naked Earth: The New Geophysics
Other Recommended Products
Descend into the crater of Yocul of Sneffels, which the shade of Scartaris caresses, before the kalends of July, audacious traveler, and you will reach the center of the earth. I did it.
1828 - 1905
Want ad-free content? Register here.
Support for Visionlearning has been provided by:
Copyright © 2000 - 2013, Visionlearning, Inc.