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