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Other Sciences
6th
grade
Science 6 Earth's Systems, Structures and Processes 6.E.2.1
18 questions
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- 1. Multiple ChoiceWhat is the outermost layer of the Earth called?CrustMantleOuter CoreInner Core
- 2. Multiple ChoiceWhat layer of the Earth is found beneath the crust?CrustMantleOuter CoreInner Core
- 3. Multiple ChoiceWhat is the outer most part of the Earth's core called?CrustMantleOuter CoreInner Core
- 4. Multiple ChoiceWhat is the basic composition of Earth's core?The solid inner core is surrounded by a liquid outer core.The liquid inner core is surrounded by a solid outer core.Both the inner core and the outer core are solid.Both the inner core and the outer core are liquid.
- 5. Multiple ChoiceWhich layer of the Earth is liquid metal?CrustLithosphereOuter CoreInner Core
- 6. Multiple ChoiceWegener's theory states that the continents were once joined to form a supercontinent called.....UltronPangeaNeverlandMesa
- 7. Multiple ChoiceThe theory that all of the continents were one massive continent 250 million years ago is called...The Theory of Plate TectonicsThe Theory of RelativityThe Theory of Continental DriftThe Theory of Evolution
- 8. Multiple ChoiceWhich of the following was NOT used to explain Alfred Wegener's Theory of Continental Drift?Fossils and coal fieldsClimate (glaciers)The shape of the continentsEarthquake patterns
- 9. Multiple ChoiceIn sea floor spreading, molten material rises from the mantle and erupts along a what?Rift ValleyDeep Ocean TrenchMid-Ocean RidgeRing of Fire
- 10. Multiple ChoiceWhat is the process that occurs at mid-ocean ridges called?SubductionSea-Floor SpreadingConvergenceRadiation
- 11. Multiple ChoiceThe process where the ocean plate sinks beneath the continental plate and into a trench is called.......ConvergenceSubductionMid-Ocean RidgeSublimation
- 12. Multiple ChoiceWhat is a convection current?Rock heats in the lower mantle, hot rock rises, cools at the crust, cool rock sinks, it gets reheated and rises againRock heats in the lower mantle, hot rock sinks, it cools down, and sinks some moreThe transfer of heat through touchThe process of sea floor spreading
- 13. Multiple ChoiceWhat happens when oceanic crust hits continental crust?Ocean crust will subduct because it is more denseA mountain will formIt will combineThe continental crust will sink
- 14. Multiple ChoiceWhat happens when continental crust collides with other continental crust?It subductsIt forms a mountainIt forms a valleyIt explodes
- 15. Multiple ChoiceWhat is the lithosphere made up of?Rigid RockSoft RockLiquidPutty
- 16. Multiple ChoiceWhat is the Asthenosphere made up of?Rigid RockSoft rock that bends like puttyLiquid metalSolid metal
- 17. Multiple ChoiceWhat instrument do scientists use to measure seismic waves?SeismographThermometerSeismostationBarometer
- 18. Multiple ChoiceThe diagram shows the composition of the surface of Earth. Which BEST summarizes the composition of the surface of Earth?Three-fourths of Earth's surface is land.One-fourth of Earth's surface is water.Earth's surface contains more land than water.Earth's surface contains more water than land.
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