A) long deep-ocean trenches. B) found only in the Pacific Ocean. C) located along the coast. D) found in all of Earth's ocean's.
A) convection currents. B) Earth's magnetic field. C) conduction. D) earthquakes.
A) divergent boundary. B) rift valley. C) transform boundary. D) convergent boundary.
A) Q waves B) Surface waves C) primary waves D) secondary waves
A) p waves. B) rift valley. C) s waves D) surface waves
A) It is dormant. B) It is probably ready to erupt. C) It is a good source of energy. 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) mantle, core, crust, inner core C) crust, outer core, mantle, inner core D) outer core, mantle, inner core , crust
A) magma. B) fire. C) volcanic ash. D) rock.
A) transform boundary. B) rift valley. C) convergent boundary. D) divergent boundary.
A) continental drift. B) convention. C) subduction. D) conduction.
A) at the north and south poles. B) along mid-ocean ridges. C) along the edges of the coast. D) along the edge of the continents.
A) s waves. B) surface waves. C) p waves. D) q waves.
A) valleys. B) mountains. C) rifts. D) trenches.
A) subduction. B) boundary. C) sea-floor spreading 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 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) a dense ball of iron and nickel. B) layer of hot magma. C) a layer of cooled rock. D) empty. |