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