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