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