1.How is the motion of a tectonic plate described? A. relative to other tectonic plates B. relative to the center of the Earth C. relative to a point on the Earth's surface D. relative to the Earth's oceans 2.What causes convection? A. changing magnetic fields B. the movements of rocks C. the gravitational pull of the moon D. differences in density and thermal energy 3.What do convergent, divergent, and transform boundaries have in common? A. the same types of forces occur at each B. subduction of one plate occurs at all of them C. they are all places where two tectonic plates meet D. similar geological formations occur at all of them 4.What type of boundary is shown here? A. divergent B. convergent C. transform D. convection 5.What is the relationship between faults and plate boundaries? A. faults never occur at plate boundaries B. faults are the same as plate boundaries C. faults occur only at plate boundaries D. faults occur at plate boundaries and elsewhere 6.What happens at a convergent boundary where no subduction occurs? A. tall mountains form B. a deep valley forms C. volcanoes form on both sides D. the ground remains level but rivers and other land features bend 7.Which are more common near boundaries than in the middle of tectonic plates? A. earthquakes only B. volcanoes only C. both earthquakes and volcanoes D. neither earthquakes nor volcanoes 8.Sediment can be any of the following EXCEPT which? A. clay B. ice C. sand D. rock fragments 9.At which labeled point in this image is deposition most likely to be occurring? A. at point A B. at point B C. at point C D. at point D 10.Which is an example of physical and chemical weathering working together? A. A rock formation is weathered both by acid rain and by oxygen in the atmosphere. B. A plant root grows into a crack in a rock that was opened by frost wedging the previous winter. C. A piece of rock breaks off of a cliff, then falls into a stream where it is gradually chipped away by colliding with other rocks. D. The roots of a tree break apart a rock, and leaves that fall from the tree decay, producing acid that helps dissolve the rock surface. Answers:ADCBDACBCD