A) a deep crack created by water erosion B) an area of flat land with few trees C) a low area of land between mountains D) an area of raised, flat land
A) the second layer of Earth. B) the outermost layer of Earth. C) the innermost layer of the Earth.
A) They float on the inner mantle. B) They float between the crust and the upper mantle. C) They float just below the crust. D) They float on top of the inner core.
A) conduction in the mantle B) convection in the mantle
A) crust. B) mantle. C) core.
A) Earth’s crust, mantle, and core B) Earth’s crust and mantle C) Earth’s crust and the solid part of the mantle
A) mountains B) valleys C) volcanoes
A) 0.2 centimeters B) 10 kilometers C) 2 centimeters
A) These states have more convection currents than other states. B) These states are closer to the Pacific Ocean than other states. C) These states are located on a plate boundary. D) These states have buried sand deposits that make the ground weak.
A) on the ocean floor B) in areas of frozen land C) in Hawaii D) around California
A) potential energy between plates B) ground movement as it occurs C) a volcano ready to erupt D) changing convection currents
A) Something that occurs at volcanoes. B) Something that occurs near mountains. C) Something that occurs at ocean ridges. D) Something that occurs on glaciers.
A) Earth’s hot core and inner mantle. B) Evaporation from the ocean. C) The sun.
A) Mall B) Mountain C) Valley D) Plateau
A) False B) True
A) True B) False
A) It is in the sky. B) It is under the oceans. C) It is invisible.
A) 200 years B) 500 years C) 250 years D) 100 years
A) Plates moving together B) Plates crashing into each other C) Plates moving apart
A) False B) True |