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