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) convergent boundary. B) transform boundary. C) rift valley. D) divergent boundary.
A) secondary waves B) primary waves C) Q waves D) Surface waves
A) surface waves B) rift valley. C) p waves. D) s waves
A) It is probably ready to erupt. B) It is extinct. C) It is dormant. D) It is a good source of energy.
A) The vibrations caused by seismic waves. B) The location of the focus. C) The location of the epicenter. D) The Mercalli scale rating.
A) outer core, mantle, inner core , crust B) crust, outer core, mantle, inner core C) mantle, core, crust, inner core D) crust, mantle, outer core, inner core
A) volcanic ash. B) magma. C) rock. D) fire.
A) rift valley. B) transform boundary. C) divergent boundary. D) convergent boundary.
A) continental drift. B) conduction. C) convention. D) subduction.
A) along mid-ocean ridges. B) along the edges of the coast. C) along the edge of the continents. D) at the north and south poles.
A) q waves. B) s waves. C) surface waves. D) p waves.
A) trenches. B) valleys. C) mountains. D) rifts.
A) subduction. B) plate tectonics. C) sea-floor spreading D) boundary.
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) name of a continent. B) the name of a scientist. C) the name of the supercontinent that is believed to have existed millions of years ago. D) the name of an ancient fossil.
A) a dense ball of iron and nickel. B) layer of hot magma. C) a layer of cooled rock. D) empty. |