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