A) found only in the Pacific Ocean. B) long deep-ocean trenches. C) located along the coast. D) found in all of Earth's ocean's.
A) earthquakes. B) conduction. C) Earth's magnetic field. D) convection currents.
A) divergent boundary. B) transform boundary. C) rift valley. D) convergent boundary.
A) primary waves B) secondary waves C) Surface waves D) Q waves
A) rift valley. B) p waves. C) surface waves D) s waves
A) It is a good source of energy. B) It is dormant. C) It is extinct. D) It is probably ready to erupt.
A) The location of the focus. B) The Mercalli scale rating. C) The location of the epicenter. D) The vibrations caused by seismic waves.
A) crust, mantle, outer core, inner core B) outer core, mantle, inner core , crust C) mantle, core, crust, inner core D) crust, outer core, mantle, inner core
A) rock. B) volcanic ash. C) magma. D) fire.
A) convergent boundary. B) divergent boundary. C) rift valley. D) transform boundary.
A) continental drift. B) convention. C) subduction. D) conduction.
A) along mid-ocean ridges. B) at the north and south poles. C) along the edge of the continents. D) along the edges of the coast.
A) surface waves. B) p waves. C) q waves. D) s waves.
A) rifts. B) mountains. C) valleys. D) trenches.
A) boundary. B) sea-floor spreading C) plate tectonics. D) subduction.
A) they don't know what an earthquake is. B) they can't be sure of when or where the stress will be released along the fault. C) there are too many faults to monitor. D) they have too much data.
A) the name of a scientist. B) the name of an ancient fossil. C) the name of the supercontinent that is believed to have existed millions of years ago. D) name of a continent.
A) layer of hot magma. B) empty. C) a layer of cooled rock. D) a dense ball of iron and nickel. |