Earth Science Exam Review Questions and Answers

Earth Science Exam Review Questions and Answers seismic waves - Answer-Vibrations that travel through Earth carrying the energy released during an earthquake. crust - Answer-the outer layer of the Earth mantle - Answer-the layer of hot, solid material between Earth's crust and core lithosphere - Answer-the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle asthenosphere - Answer-the soft layer of the mantle on which the lithosphere floats basalt - Answer-a rock that makes up much of the ocean floor granite - Answer-a usually light-colored rock that is found in continental crust outer core - Answer-a layer of molten iron and nickel that surrounds the inner core of Earth inner core - Answer-a dense sphere of solid iron and nickel at the center of Earth radiation - Answer-the transfer of energy through space conduction - Answer-the direct transfer of heat from one substance to another substance that it is touching convection - Answer-the transfer of heat by the movement of a fluid density - Answer-the amount of matter in a given space convection current - Answer-the movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another continental drift - Answer-the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations Pangaea - Answer-large, ancient landmass that was composed of all the continents joined together