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