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) convection currents. B) earthquakes. C) conduction. D) Earth's magnetic field.
A) convergent boundary. B) rift valley. C) divergent boundary. D) transform boundary.
A) primary waves B) Q waves C) Surface waves D) secondary waves
A) p waves. B) surface waves C) rift valley. 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 location of the focus. B) The vibrations caused by seismic waves. C) The Mercalli scale rating. D) The location of the epicenter.
A) crust, mantle, outer core, inner core B) crust, outer core, mantle, inner core C) outer core, mantle, inner core , crust D) mantle, core, crust, inner core
A) volcanic ash. B) magma. C) fire. D) rock.
A) divergent boundary. B) transform boundary. C) rift valley. D) convergent boundary.
A) convention. B) subduction. C) continental drift. D) conduction.
A) along the edge of the continents. B) along mid-ocean ridges. C) along the edges of the coast. D) at the north and south poles.
A) p waves. B) s waves. C) q waves. D) surface waves.
A) valleys. B) mountains. C) rifts. D) trenches.
A) sea-floor spreading B) subduction. C) plate tectonics. D) boundary.
A) they have too much data. B) there are too many faults to monitor. C) they don't know what an earthquake is. D) they can't be sure of when or where the stress will be released along the fault.
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. |