A) long deep-ocean trenches. B) found in all of Earth's ocean's. C) found only in the Pacific Ocean. D) located along the coast.
A) conduction. B) Earth's magnetic field. C) convection currents. D) earthquakes.
A) convergent boundary. B) transform boundary. C) divergent boundary. D) rift valley.
A) primary waves B) Surface waves C) Q waves D) secondary waves
A) surface waves B) p waves. C) s waves D) rift valley.
A) It is dormant. B) It is a good source of energy. C) It is probably ready to erupt. D) It is extinct.
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) crust, outer core, mantle, inner core B) outer core, mantle, inner core , crust C) crust, mantle, outer core, inner core D) mantle, core, crust, inner core
A) magma. B) rock. C) volcanic ash. D) fire.
A) transform boundary. B) divergent boundary. C) convergent boundary. D) rift valley.
A) subduction. B) convention. C) continental drift. D) conduction.
A) along mid-ocean ridges. B) at the north and south poles. C) along the edges of the coast. D) along the edge of the continents.
A) surface waves. B) p waves. C) s waves. D) q waves.
A) mountains. B) valleys. C) rifts. D) trenches.
A) subduction. B) sea-floor spreading C) boundary. D) plate tectonics.
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) they have too much data. D) there are too many faults to monitor.
A) the name of an ancient fossil. B) the name of a scientist. C) the name of the supercontinent that is believed to have existed millions of years ago. D) name of a continent.
A) empty. B) a layer of cooled rock. C) a dense ball of iron and nickel. D) layer of hot magma. |