In Which Earth Layer Are Most Convection Currents That .
Student Name:Test ID:Student Instructions:198250817300120Description: ECB Unit #6 Dynamic Earth Pretest1.In which Earth layer are most convection currents that cause seafloor spreading thought tobe located?A. crustB. asthenosphereC. outer coreD. inner core
2.What is created when oceanic crust and continental crust collide?A. Earthquakes happenB. Tsunamis form.C. Landslides form.D. Volcanoes are formed.
3.When the hot material of the mantle RISES and the cool material SINKS, this createsA. convection currentsB. magnetic fieldsC. hot spotsD. advection forces4.According to the Earth Science Reference Tables, as the depth within the Earth's interiorincreases, theA. density, temperature, and pressure decrease
B. density increases, but temperature and pressure decreaseC. density, temperature, and pressure increaseD. density and temperature increase, but pressure decreases5. The heat that causes convection current in the asthenosphere comes fromA. crustB. mantleC. lithosphereD. Earth's core
6. What do Convection Currents cause on the Earth?A. movement of tectonic plates:crustB. movement of ocean waterC. movement of the atmosphere:airD. movement of the core7. One of the most general conclusions to be drawn from Plate tectonic theory, Pangea & SeaFloor Spreading is thatA. Earth is continually losing heat.B. Earth's shape (geography) has continually changed.C. Earth is slowly expanding.D. Earth is slowly shrinking.8. What type of boundary exists where plates are colliding?A. ConvergentB. HorizontalC. DivergentD. Transform
9.Use the following terms to label the diagram below.Part 3.A. CrustB. Outer coreC. MantleD. Inner core
10.Use the following terms to label the diagram below.Part 6.A. Inner coreB. MesosphereC. AsthenosphereD. Tectonic plate11. We journeyed to the center of the Earth, and when we got there we discovered that thecore has two parts One part is liquid and is called the The other part is denseand solidand is called the
A. Outer core, Inner coreB. Inner core, Outer coreC. Mesosphere, AsthenosphereD. Asthenosphere, Mesosphere
12.What does the theory of continental drift explain?A. the layers of the EarthB. why continents moveC. how volcanoes formedD. how oceans formed
13.A deep well or mine shaft goes through which layer or layers of Earth?A. crust onlyB. mantle onlyC. crust and mantleD. mantle and core14.Scientists are able to conclude that a forested ecosystem existed in Antarctica millions of years ago by studyingA. the current climate.B. the fossil record.
C. glacial movement.D. seafloor spreading.15.A difference between the oceanic crust and the continental crust is that the oceanic crust isA. composed chiefly of sedimentary rocks.B. more dense than the continental crust.C. older than the continental crust.D. continually being created.
16.Which of these provides the BEST evidence that an environmental change has occurred?A. a freshwater lake in the mountainsB. marine fossils in a freshwater lakeC. saltwater clams in the oceanD. a sandy beach next to the ocean17.A student is visiting a local limestone quarry and finds fossils of seashells. The quarry is located hundreds ofmiles from the ocean. The fossils BEST indicate thatA. this area was once below sea level.B. global temperature changed over time.C. erosion took place after a flood.D. volcanic activity affected the area.18.Which model BEST represents the internal structure of Earth?A.B.
C.D.
19.Trilobites are extinct animals that lived in the oceans. Fossils of these animals can be found in dry areas suchas Cincinnati. What does this indicate?A. Trilobites now live underground.B. Trilobites are the ancestors of jellyfish.C. Cincinnati was once covered by the ocean where trilobites lived.D. The environment changed, creating small saltwater lakes in Cincinnati.20. What landform is created when two continental plates collide?A. mountain rangeB. ocean basinC. volcanoD. canyon21. According to the continental drift theory, a single, huge continent once existed calledA. PangaeaB. Wegener.C. Panthalassa.D. Eurasia.22. What type of boundary is formed when plates separate?A. convergentB. transform
C. divergentD. horizontal23. What is the idea that all continents were part of one big landmass?A. oceanic driftB. continental driftC. oceanic theoryD. continental theory
24. The diagram below shows a cross section of a volcano.From which point would molten material, ash, and dust be expelled?A. point 1B. point 2C. point 3D. point 425. Earth’s three compositional layers are the mantle, core, and crust.
Which statement below is correct?A. A is the crust, B is the core, and C is the mantle.B. A is the core, B is the mantle, and C is the crust.C. A is the inner core, B is the outer core, and C is the mantle.D. A is the core, B is the crust, and C is the mantle.
26. On December 26, 2004, a major tsunami occurred in the Indian Ocean. The tsunami traveledfrom its point of origin to as far away as Africa—nearly 5,000 km. The map below showsthe countries most affected by this tsunami.What was the cause of this tsunami?A. an earthquake beneath the oceanB. the impact of a large meteorite in the oceanC. a sudden violent windstorm above the ocean waterD. a typhoon moving from the Indian Ocean toward India27. Madelyn drew a diagram of Earth showing one way that scientists have divided it. Sheincluded the core, the mantle, and the crust.
Madelyn divided her diagram into three layers based on which of the following?A. relative densityB. physical structureC. geographical locationD. chemical composition
28. This diagram shows the formation of fault-block mountains. The arrows show the directionof force. The curving line on the top of each figure depicts a river.What does the letter L represent?A. the tensionB. the footwallC. the fault lineD. the hanging wall
29. The illustration below shows some of Earth’s tectonic plates. The arrows indicate thedirections in which some of these plates are moving.According to this map, where can you infer that mountains are being formed?A. between the Scotia Plate and the Pacific PlateB. between the Cocos Plate and the Caribbean PlateC. between the South American Plate and the African PlateD. between the North America Plate and the Antarctic Plate30. Tectonic plates can move, as shown in the figure below.
What does this figure show?A. a convergent boundaryB. a divergent boundaryC. a stationary plate boundaryD. a transform boundary
31. Most divergent plate boundaries lie under the world’s oceans. Which of the following is aprocess that occurs at divergent boundaries?A. subduction of old crustB. formation of new crustC. plates slide past each otherD. continental collisions occur32. Earth has five layers based on physical properties. The diagram below shows these fivelayers.Which letter represents the mesosphere?A. BB. CC. DD. E33. Notice how the figure below shows both continental crust and oceanic crust. In this figure,shading indicates density. The more darkly shaded a region is, the denser that region is.
What can you infer from the figure?A. Oceanic crust is denser than continental crust.B. Continental crust is denser than oceanic crust.C. Oceanic crust does not contain as much iron as continental crust.D. Continental crust contains more magnesium than oceanic crust.
34.Which is a process that MOST likely formed the Appalachian Mountains found in the eastern part of NorthAmerica?A. earthquakeB. folded rockC. plate tectonicsD. volcanic activity35. Tectonic plates can move, as shown in the figure below.What does this figure show?A. a divergent boundaryB. a transform boundaryC. a convergent boundaryD. a stationary plate boundary
36. The diagram below shows Earth divided into five layers.Scientists divide Earth into these layers based on what properties?A. core propertiesB. physical propertiesC. chemical propertiesD. atmospheric properties37. Two oceanic plates are pushing against each other. One plate then begins to slide beneaththe other. Which type of feature will form as a result of this movement?A. mid-ocean ridgeB. abyssal plainC. rift zoneD. trench
38. Which of the following gives a correct description of lava and magma?A. Lava is magma that erupts onto Earth's surface.B. Lava is hot, liquid rock and magma is solidified lava.C. Lava forms intrusive rocks and magma forms extrusive rocks.D. Lava forms foliated rocks and magma forms nonfoliated rocks.39. Which compositional layer of Earth is the thinnest?A. the crustB. the mantleC. the inner coreD. the outer core
40. How is the outer core of Earth different from the inner core?A. The outer core is solid, and the inner core is liquid.B. The outer core is liquid, and the inner core is solid.C. The outer core is made of nickel, and the inner core is made of iron.D. The outer core is made of iron, and the inner core is made of nickel.41. A plate boundary is a place where two tectonic plates meet. There are several types oftectonic plate boundaries. Which statement below shows the correct definition of a tectonicplate boundary?A. At a divergent boundary, plates separate.B. At a transform boundary, plates move apart.C. At a convergent boundary, plates slide past each other.D. At a divergent boundary, one plate sinks under another plate.42. Volcanic eruptions can have many characteristics. They can be slow, fast, calm, explosive,or a combination of these. Which type of eruption is associated with the release ofpyroclastic materials?A. a calm eruptionB. an explosive eruptionC. a fast eruptionD. a slow eruption
43.The picture shows how air in a room is warmed by a heater.How does this system compare to the way heat from the core of Earth reaches the surface?A. The heater uses convection currents to transfer heat, and Earth’s interior uses radiation.B. The heater uses radiation to transfer heat, and Earth’s interior uses conduction.C. Both systems use convection currents to transfer heat.D. Both systems use conduction to transfer heat.
44.Which model BEST shows how heat from inside of Earth reaches the surface of Earth?A.B.C.D.
45.The circle graph below shows the three most common elements in Earth’s crust.Which elements are represented by the letters X and Y?A.X SiliconY OxygenB.X OxygenY NitrogenC.X CarbonY SiliconD.X HydrogenY Carbon
46.This circle graph shows that two common elements make up about 75% of a specific type of matter.Which type of matter does the circle graph MOST likely represent?A. Earth’s atmosphereB. living organismsC. ocean waterD. Earth’s crust
47.This map shows the borders of Earth’s major tectonic plates.Which tectonic plate is directly south of the African Plate?A. North American PlateB. Antarctic PlateC. Pacific PlateD. Nazca Plate48.The picture represents the formation of the Himalaya Mountains.Which two plates collided with each other to form the Himalaya Mountains?A. Nazca and EurasianB. Indo-Australian and Eurasian
C. North American and AntarcticD. South American and Indo-Australian
49.Two students played a game to review the names of Earth’s major tectonic plates. They used this map as theirgame board.The first student tossed a coin onto the map, and it landed on Plate 3. The second student tossed a coin onto themap, and it landed on Plate 6. Which of these correctly identifies the plates that the students’ coins landed on?A.Plate 3Plate 6North American Plate Eurasian PlateB.Plate 3Plate 6Indo-Australian Plate African PlateC.Plate 3Plate 6Indo-Australian Plate South American PlateD.Plate 3Plate 6
Nazca PlateSouth American Plate
50.The map shows a boundary between two tectonic plates.Between which two tectonic plates is this boundary located?A. Indo-Australian Plate and Pacific PlateB. North American Plate and Pacific PlateC. Indo-Australian Plate and Eurasian PlateD. North American Plate and Eurasian Plate51.Due to extreme pressure, the inner core of Earth isA. solid.B. liquid.C. gas.D. plasma.52.Earth is made of different layers that have varying characteristics. Which is the thickest layer?A. the mantleB. the inner core
C. the outer coreD. the crust53.The inner core of Earth is solid because of theA. rate of rotation.B. extreme temperature.C. amount of pressure.D. magnetic field.
54.What BEST describes the mantle of Earth?A. a thin layer that is located on the surfaceB. a solid layer made of iron and nickelC. the largest layer between the crust and outer coreD. the smallest layer that is made up of molten rock55.Thousands of fish fossils discovered high in the Rocky Mountains MOST likely indicate thatA. ancient sea levels were once high enough to cover the mountains.B. a large flood washed the fish up to the tops of the mountains.C. the mountains were once part of the sea floor that was pushed up by tectonic forces.D. the fish were inhabitants of an ancient stream that became frozen during the ice ages.56.Which event MOST likely caused the formation of folded mountain ranges on Earth?A. tectonic plates pulling apartB. tectonic plates pushing togetherC. tectonic plates sliding past each otherD. tectonic plates breaking into small pieces
Student Instructions: Description: ECB Unit #6 Dynamic Earth Pretest 1. In which Earth layer are most convection currents that cause seafloor spreading thought to be locat
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Jan 14, 2014 · A)solid outer layer of Earth B)liquid outer layer of Earth C)magma layer located below Earth's stiffer mantle D)gaseous layer extending several hundred kilometers from Earth into space 29.Earth's hydrosphere is best described as the A)1.4 B)9.9 C)3.0 D)4900 30.What
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9. Build a sugar-cube pyramid as follows: First make a 5 5 1 bottom layer. Then center a 4 4 1 layer on the rst layer, center a 3 3 1 layer on the second layer, and center a 2 2 1 layer on the third layer. The fth layer is a single 1 1 1 cube. Express the volume of this pyramid as a percentage of the volume of a 5 5 5 cube. 10.
C. Rockwell hardness test LAMINATES RHN LAYER 1 95 LAYER 2 96 LAYER 3 97 LAYER 4 98 Table 4.2 Hardness number RHN rockwell hardness number D. Impact test LAMINATES ENERGY (J) DEGREE (ang) LAYER 1 1.505 105 B. LAYER 2 2.75 114 LAYER 3 3.50 124 LAYER 4 4.005 132 Table 4.3 Impact Test data E.
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Layer 0 is a special layer provided in the AutoCAD program. You cannot rename or delete layer 0 from the list of layers. Layer 0 has special properties when used with the Block and Insert commands, which are covered in Tutorial 10. Layer POINTS is the current layer in mysubdivis.dwg. There can be only one current layer at a time.
