New crust is formed when...

Magma at mid-ocean ridges or volcanoes harden into rock

Which evidence does NOT support the Theory of Continental Drift?

The Nazca plate contains oceanic crust

________ proposed the Theory of ________.

Alfred Wegener, Continental Drift

Old crust is destroyed when...

One plate slides under another and is melted in the mantle

How do the tectonic plates move?

They drift because of convection in the asthenosphere

How can you move a mountain?

Mountains grow and shift due to plate tectonics, One stone at a time

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Tectonic Plates

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Review vocabulary and concepts of plate tectonics

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Questions 14

Answers

1
New crust is formed when...
Earthquakes occur at transform boundaries
Mountains are created
Tectonic plates stretch out and increase in size
Magma at mid-ocean ridges or volcanoes harden into rock
2
Which evidence does NOT support the Theory of Continental Drift?
The continents fit together like a puzzle
Oceanic crust in the mid-ocean is newer (seafloor spreading)
The Nazca plate contains oceanic crust
Matching fossils are found on continents separated by oceans
3
200-300 million years ago, continents were joined in one supercontinent called ______.
Laurasia
Gondwana
Panthalassa
Pangea
4
What most often occurs/forms at transform boundaries?
Mountains
Earthquakes
Ridges
Volcanoes
5
When two plates slide past each other, we call that a...
Divergent Boundary
Convection
Convergent Boundary
Transform Boundary
6
A car crash is most similar to a...
Convergent boundary
Divergent boundary
Transform boundary
7
________ proposed the Theory of ________.
Alfred Wegener, Continental Drift
Bill Nye, Plate Tectonics
Charles Darwin, Mountain Building
Isaac Newton, Seafloor Spreading
8
Mid-ocean ridges and rift valleys occur at what type of plate boundary?
Transform Boundaries
Convergent Boundaries
Divergent Boundaries
9
When two continental plates collide, what most often happens? (Hint: graham crackers)
Earthquakes occur
Mountain ranges form
The plates break and rift valleys form
One plate slips under the other, and creates a volcano
10
Old crust is destroyed when...
Weathering and erosion decrease size of mountain ranges
Rock slides occur
Tectonic plates break
One plate slides under another and is melted in the mantle
11
When two plates move away from each other, we call that a...
Convection
Convergent Boundary
Transform Boundary
Divergent Boundary
12
How do the tectonic plates move?
They are pushed apart because of their magnetic fields
The continents are floating on the ocean, and drift slowly
Global warming is causing the oceans to increase in size
They drift because of convection in the asthenosphere
13
How can you move a mountain?
Mountains grow and shift due to plate tectonics
One stone at a time
You can't because they're not alive
You can't because they're too old
14
When two plates collide, we call that a...
Convection
Transform Boundary
Divergent Boundary
Convergent Boundary

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