A) located along the coast. B) found in all of Earth's ocean's. C) long deep-ocean trenches. D) found only in the Pacific Ocean.
A) Earth's magnetic field. B) earthquakes. C) convection currents. D) conduction.
A) convergent boundary. B) divergent boundary. C) transform boundary. D) rift valley.
A) Q waves B) Surface waves C) primary waves D) secondary waves
A) surface waves B) rift valley. C) p 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 vibrations caused by seismic waves. C) The location of the epicenter. D) The location of the focus.
A) crust, mantle, outer core, inner core B) mantle, core, crust, inner core C) outer core, mantle, inner core , crust D) crust, outer core, mantle, inner core
A) volcanic ash. B) fire. C) magma. D) rock.
A) divergent boundary. B) rift valley. C) transform boundary. D) convergent boundary.
A) continental drift. B) conduction. C) convention. D) subduction.
A) along the edges of the coast. B) along the edge of the continents. C) along mid-ocean ridges. D) at the north and south poles.
A) surface waves. B) q waves. C) s waves. D) p waves.
A) valleys. B) rifts. C) trenches. D) mountains.
A) boundary. B) sea-floor spreading C) subduction. D) plate tectonics.
A) they don't know what an earthquake is. B) they have too much data. 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) 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 layer of cooled rock. B) layer of hot magma. C) empty. D) a dense ball of iron and nickel. |