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