1) When two plates in the ocean pull away from each other. a) oceanic divergent boundary b) continental divergent boundary c) seafloor spreading 2) The _________ is formed when the continental crusts move apart, and the thin crust sinks. a) trenches b) rift valley c) mid-ocean ridge 3) Continental crust pulls apart and thin crust sinks causing a rift valley is an example of____________ a) convergent plate boundary b) divergent plate boundary c) subduction plate boundary 4) How does the new crust form in the divergent plate boundary? a) Magma rises up from the mantle through the cracks and hardens. b) The crust moves down into the mantle. c) The more dense plate is pushed beneath the plate is pushed beneath the other plate. 5) This ocean form is created when the more dense plate is pushed under the plate. a) rift valley b) volcano c) trench 6) What is the type of plate boundary that forms trenches? a) Continental divergent b) Oceanic divergent c) Subduction convergent 7) Non-volcanic mountains is an example of__________ a) continental convergent. b) oceanic divergent. c) subduction convergent. 8) The seafloor near the trenches is______ a) younger b) older 9) How do trenches form? a) Two tectonic plates move apart. b) One tectonic plate goes under another plate. c) Two continental crusts move toward each other. 10) Fossils are________ a) the remains or impression of a prehistoric organism preserved in as a mold or cast in rock b) on continents that are currently on opposite sides of the ocean so the animals must have swum across. c) on continents that are currently on opposite sides of the ocean so the non-swimming animals must have been able to walk freely across the land when it was connected. 11) Glaciers are found in___________ a) cold places that must have formed in warmer places and then moved to the current locations. b) places that are currently tropical so those places must have once been closer to the South Pole and then moved to their current locations. 12) Claim is ______________ a) one sentence answer. b) shows the data and examples. c) is the explanation and all the other parts included. 13) Reasoning is_________________ a) a one sentence answer. b) showing the data and examples. c) an explanation and longer than one sentence answer, including all the other parts together.  14) Evidence___________________ a) is showing data and or examples. b) is a one sentence answer. c) is the explanation and has all the other parts included.

Earth Science Quiz

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