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