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10016,000 20032,000 50064,000 1,000 128,000 2,000 250,000 4,000 500,000 8,000 1,000,000.

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Presentation on theme: "10016,000 20032,000 50064,000 1,000 128,000 2,000 250,000 4,000 500,000 8,000 1,000,000."— Presentation transcript:

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2 10016, , ,000 1, ,000 2, ,000 4, ,000 8,000 1,000,000

3 The Himalayas in South Asia are an example of what type of plate boundary? a.convergent oceanic-continental boundary b.convergent continental-continental boundary c.divergent boundary d.transform fault boundary

4 The Himalayas in South Asia are an example of what type of plate boundary? a.convergent oceanic-continental boundary b.convergent continental-continental boundary c.divergent boundary d.transform fault boundary

5 10016, , ,000 1, ,000 2, ,000 4, ,000 8,000 1,000,000

6 If a deep ocean trench is located adjacent to a continent, active volcanoes would likely be found ____. a.seaward from the trench b.at the ends of the trench c.along the axis of the trench d.landward from the trench

7 If a deep ocean trench is located adjacent to a continent, active volcanoes would likely be found ____. a.seaward from the trench b.at the ends of the trench c.along the axis of the trench d.landward from the trench

8 10016, , ,000 1, ,000 2, ,000 4, ,000 8,000 1,000,000

9 According to Wegener’s ideas a.continents were once joined b.the Earth was about 6000 years old c.there was no evidence to suggest that the Earth was changing d.all rocks on Earth were of the same age

10 According to Wegener’s ideas a.continents were once joined b.the Earth was about 6000 years old c.there was no evidence to suggest that the Earth was changing d.all rocks on Earth were of the same age

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12 The Hawaiian Islands were formed when the Pacific Plate moved over ____. a.a subduction zone b.the Aleutian Plate c.an ocean ridge d.a hot spot

13 The Hawaiian Islands were formed when the Pacific Plate moved over ____. a.a subduction zone b.the Aleutian Plate c.an ocean ridge d.a hot spot

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15 Continental volcanic arcs are associated with what type of plate boundary? a.convergent continental-continental boundary b.convergent oceanic-continental boundary c.transform fault boundary d.convergent oceanic-oceanic boundary

16 Continental volcanic arcs are associated with what type of plate boundary? a.convergent continental-continental boundary b.convergent oceanic-continental boundary c.transform fault boundary d.convergent oceanic-oceanic boundary

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18 Which layer(s) of the Earth make up the tectonic plates? a.lithosphere. b.continental crust only c.Continental crust and ocean crust. d.asthenosphere and top layer of mantle.

19 Which layer(s) of the Earth make up the tectonic plates? a.lithosphere. b.continental crust only c.Continental crust and ocean crust. d.asthenosphere and top layer of mantle.

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21 What do the strips of magnetism represent on the ocean floor on either side of a ridge? a.areas where there is no magnetism b.areas where the rocks have a normal polarity c.areas where the rocks have a reversed polarity d.areas of different types of rock

22 What do the strips of low-intensity magnetism represent on the ocean floor? a.areas where there is no magnetism b.areas where the rocks have a normal polarity c.areas where the rocks have a reversed polarity d.areas of different types of rock

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24 Which of the following describes a volcanic island arc? a.an arc-shaped volcano in the ocean b.a chain of volcanic islands parallel to an ocean trench c.a line of volcanoes on a continent, parallel to a boundary d.a chain of active and extinct volcanoes formed over a hot spot

25 Which of the following describes a volcanic island arc? a.an arc-shaped volcano in the ocean b.a chain of volcanic islands parallel to an ocean trench c.a line of volcanoes on a continent, parallel to a boundary d.a chain of active and extinct volcanoes formed over a hot spot

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27 The formation of the Hawaiian Islands is associated with ____. a.a divergent plate boundary b.a transform fault boundary c.a convergent plate boundary d.no plate boundary of any kind

28 The formation of the Hawaiian Islands is associated with ____. a.a divergent plate boundary b.a transform fault boundary c.a convergent plate boundary d.no plate boundary of any kind

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30 Which situation will produce a deep-focus earthquake? a.Lithosphere ruptures at a transform fault. b.Super-hot mantle rushes to the surface at a hot spot. c.Magma forces its way through cracks in the lithosphere. d.Tectonic plates pass each other in a subduction zone.

31 Which situation will produce a deep-focus earthquake? a.Lithosphere ruptures at a transform fault. b.Super-hot mantle rushes to the surface at a hot spot. c.Magma forces its way through cracks in the lithosphere. d.Tectonic plates pass each other in a subduction zone.

32 10016, , ,000 1, ,000 2, ,000 4, ,000 8,000 1,000,000

33 How does the age of seafloor sediments change with increasing distance from the ocean ridge? a.Age decreases. b.Age increases. c.Age stays the same. d.Age varies without a pattern.

34 How does the age of seafloor sediments change with increasing distance from the ocean ridge? a.Age decreases. b.Age increases. c.Age stays the same. d.Age varies without a pattern.

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36 The main source of downward convection flow in the mantle is called ____. a.ridge-pull b.slab-push c.slab-pull d.ridge-push

37 The main source of downward convection flow in the mantle is called ____. a.ridge-pull b.slab-push c.slab-pull d.ridge-push

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39 Which one of the following has NOT been proposed as a mechanism of plate motion? a.slab-pull b.mantle convection c.ridge-push d.crust-core convection

40 Which one of the following has NOT been proposed as a mechanism of plate motion? a.slab-pull b.mantle convection c.ridge-push d.crust-core convection

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42 According to whole-mantle convection, ____. a.small amounts of material from the lower mantle move upward to the surface b.slabs of cold oceanic lithosphere move down and into the lower mantle c.large slabs of continental crust are pulled down into the lower mantle d.material from the inner core rises into the mantle to form super hot plumes

43 According to whole-mantle convection, ____. a.small amounts of material from the lower mantle move upward to the surface b.slabs of cold oceanic lithosphere move down and into the lower mantle c.large slabs of continental crust are pulled down into the lower mantle d.material from the inner core rises into the mantle to form super hot plumes

44 The exact cost of entering the contest!


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