Earth Science Exam Review / Complete Questions & Correct Detailed Answers (100% Correct) 2025 / 2026.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 1 / 2
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 fossil - Answer: the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil mid-ocean ridge - Answer: An underwater moutain chain where new ocean floor is formed sonar - Answer: a device that determines the distance of an object under water by recording echoes of sound waves sea-floor spreading - Answer: the process by which molten material adds new oceanic crust to the ocean floor
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