Hosted by Mrs. Dempsey 100 200 400 300 400 Earth ’ s Interior Heat TransferCont. DriftSea-Floor...
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Transcript of Hosted by Mrs. Dempsey 100 200 400 300 400 Earth ’ s Interior Heat TransferCont. DriftSea-Floor...
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Mrs. Dempsey
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Earth’s Interior
Heat Transfer Cont. Drift Sea-Floor Spreading
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Row 1, Col 1
Name the layers of the Earth in order from thinnest to thickest
Crust, core, mantle
1,2
Name the 3 types of heat transfer
Conduction, convection, radiation
1,3
What type of rock make up themajority of continental crust?Which type of crust, oceanic orcontinental, is generally older?
Granitic
1,4
What scientist helped to discoverthe process of sea-floorspreading? What type
of technology was availableto him that helped him
prove his theory?DD
Harry Hess, sonar
2,1
What is the main type of rock in oceanic
crust?
Basalt
2,2
How does the density of most Liquids and/or gases
substances change when heated?Why?
molcules in the substance move apart and make it less dense
2,3
The Pacific ocean is shrinking!Explain how this
could be happening
More oceanic crust is subducting than is beingcreated at mid-ocean ridges
2,4
Name 3 plates that interact with the North American plate
OldesJuan de Fuca, Pacific, Eurasian, Afican
3,1
What layer(s) of the Earthmake up the lithosphere?
Explain
Very uppermost part of the mantle and crust
3,2
Describe how convection currents form in a lava lamp?
Heat=less dense=rises=cools=increase density=cycle
3,3
Name and explain 3 pieces of evidence
that supported Wegener’s hypothesis
Matching coastlines, fossils/climate, land feature
3,4
What type of boundary formed Iceland?
Name the 2 plates
Divergent (C-C)
4,1
Name 3 island arcsformed by the Ring
of Fire
4,2
Besides from the sun,name 2 other examples of
radiation
Heat from stove, heat from fire
4,3
Name two continentsthat lie on the equator
S. America,Africa
4,4
Name one actual place here onthe N. American plate, formed
by each type of plateboundary
DD
San Andreas Fault(T) / Cascades (C) /Mid-Atlantic Ridge(D)
5,1
How do we know whatthe interior of the Earth is like?
Seismic waves, age of rock on ocean floor
5,2
Name 2 ways heat transferis happening to you right now.
Conduction from body heat, heat is radiating from heater
5,3
Why was Wegener’s hypothesisrejected?
Could not explain what force pushed and/or pulled the
continents
5,4
Name one feature that occursat each of the 3 plate boundaries
Mountains, valleys, trenches, islands, volcanoes