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