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100
What are the earth's layers from densest to least dense? (4 parts to answer)
Inner core, outer core, asthenosphere, lithosphere
100
What causes plate movement
ridge push, slab pull, and convection in the asthenosphere
100
What are Earth's layers from the center to the surface?
inner core, outer core, mantle, crust
100
Which of Earth's layers makes up the center of Earth?
Inner Core
100
Movement of Earth's plates is similar to
Sponges on boiling water
200
The thin rigid layer that forms the outermost part of the lithosphere is
crust
200
What can be used to easily track the direction of plate movement?
hot spots
200
Which of these could best be used to model Earth's layers a) a hard boiled egg b) an eggshell c) a peach pit d) the skin of a peach
a hard boiled egg
200
which of these would make the best model of Earth's crust? a) an egg's shell b) an egg yolk c) a peach pit d) on orange slice
an egg's shell
200
New crust forms along a(n)
Divergent Boundary
300
What is a tectonic plate?
a slab of crust and upper mantle that moves over Earth's surface
300
How did the directory of magnetic reversals help to develop the theory of plate tectonics?
It provided more evidence that plates move away from mid-ocean ridges.
300
A tectonic plate is a slab of Earth's ……………. (This a 2 word answer)
Crust and uppermost mantle
300
A tectonic plate is a slab of Earth's
lithosphere
300
What are Earth's magnetic reversals recorded in?
Sea-floor Rocks
400
Many scientist rejected continental drift when it was first proposed
Wegener couldn't explain how Earth's continent moved
400
What crust is neither created nor destroyed?
transform boundary
400
What did Wegener use to support his theory of continental drift? (It's a 2 part answer)
similar rocks and similar fossils in different continents.
400
What did Wegener use to support continental drift?
similar rocks on different continents
400
What does a continental-continental collision causes?
Mountain ranges to form
500
What did the theory of plate tectonics show scientist?
the age of oceanic crust increases with distance from mid-ocean ridge
500
The Alps are forming as a result
Continental-continental collision
500
Studies of the ocean floor support plate tectonics because oceanic crust………………...
is younger at a ridge and older near a trench
500
Oceanic crust at a mid-ocean ridge is
younger than crust near a trench
500
Two plates scrape past each other at which boundaries?
Transform Boundaries
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