A) long deep-ocean trenches. B) found only in the Pacific Ocean. C) located along the coast. D) found in all of Earth's ocean's.
A) Earth's magnetic field. B) conduction. C) convection currents. D) earthquakes.
A) convergent boundary. B) transform boundary. C) divergent boundary. D) rift valley.
A) secondary waves B) Surface waves C) primary waves D) Q waves
A) p waves. B) rift valley. C) surface waves D) s waves
A) It is extinct. B) It is dormant. C) It is a good source of energy. D) It is probably ready to erupt.
A) The vibrations caused by seismic waves. B) The location of the focus. C) The Mercalli scale rating. D) The location of the epicenter.
A) mantle, core, crust, inner core B) crust, mantle, outer core, inner core C) outer core, mantle, inner core , crust D) crust, outer core, mantle, inner core
A) fire. B) volcanic ash. C) rock. D) magma.
A) convergent boundary. B) divergent boundary. C) rift valley. D) transform boundary.
A) subduction. B) conduction. C) continental drift. D) convention.
A) at the north and south poles. B) along mid-ocean ridges. C) along the edges of the coast. D) along the edge of the continents.
A) s waves. B) surface waves. C) q waves. D) p waves.
A) rifts. B) valleys. C) mountains. D) trenches.
A) subduction. B) sea-floor spreading C) boundary. D) plate tectonics.
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) there are too many faults to monitor. D) they have too much data.
A) the name of the supercontinent that is believed to have existed millions of years ago. B) the name of an ancient fossil. 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) layer of hot magma. D) empty. |