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