Inside Earth - Plate Tectonics retake
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| A collision between two pieces of continental crust at a converging boundary produces a... | mountain range
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| According to Wegener's hypothesis of continental drift, | the continents were once joined together in a single land mass.
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| Most geologists rejected Alfred Wegener's idea of continental drift because... | Wegener could not identify a force that could move the continents.
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| Geologists obtain indirect evidence about Earth's interior by.. | recording and studying seismic waves.
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| The geological theory that states that pieces of Earth's lithosphere are in constant, slow motion is the theory of... | plate tectonics
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| Which type of evidence was NOT used by Alfred Wegener to support this continental drift hypothesis - evidence from landforms; evidence from fossils, evidence from human remains? | evidence from human remains
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| A place where two plates slip past each other, moving in opposite directions, is known as a... | transform boundary.
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| What is Pangaea? | the name of the supercontintent that existed millions of years ago.
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| Most geologists think that the movement of Earth's plates is caused by... | convection currents in the mantle.
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| Using data from seismic waves, geologists have learned that Earth's interior is made up of several... | layers
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| Holes drilled several kilometers into Earth's crust provide direct evidence about Earth's interior in the form of... | rock samples.
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| Mid-ocean ridges are... | found in all of Earth's oceans.
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| Earth's inner core is... | a dense ball of solid metal.
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| Old oceanic crust is more dense than new oceanic crust because it is... | cool.
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| What technology did scientists use in the mid-1900's to map the mid-ocean ridge? | sonar
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| When you touch a hot pot or pan, energy moves from the pot to your hand. This is called... | heat transfer
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| Earth's mantle is... | a layer of hot rock.
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| Any trace of an ancient organism that has been preserved in rock is called a... | fossil.
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| Earth's magnetic field results form movements in the... | mantle.
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| The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as... | subduction.
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| The transfer of energy through empty space is called... | radiation.
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| In sea-floor spreading molten material rises from the mantle and erupts... | along mid-ocean ridges.
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| When the heat source is removed from a fluid, convection currents in the fluid will... | eventually stop
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| What is the correct order (starting from the surface) of Earth's layer? | crust, mantle, outer core, inner core
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| How did scientist discover that rocks farther away from the mid-ocean ridge were older than those near it? | by determining the age of rock samples obtained by drilling on the sea floor
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| The place where two plates come together is known as a... | convergent boundary.
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| What did scientists in a submersible see when they observed the mid-ocean ridge? | rocks formed by the rapid hardening of molten material
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| Scientists think that convection currents flow in Earth's... | mantle.
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| A rift valley forms at a... | divergent plate boundary
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| Heat transfer within a fluid takes place by... | convection currents.
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Created by:
7thgrade