Inside the Earth
Stay Warm!
Drifting Away
Spread it on!
Plate Tectonics
100
The two types of evidence geologists use that include rock samples and seismic waves.
What are direct and indirect evidence?
100
Radiation, conduction, and convection.
What are the three types of heat transfer?
100
The German scientist who proposed a theory of continental drifting in 1910.
Who is Alfred Wegener?
100
Due to ___________________________________, certain animals are able to survive on the dark, freezing ocean floor.
What are hot water vents?
100
When Earth's plates slide past each other.
What is a Transform boundary?
200
The crust, the mantle, the outer core, and the inner core.
What are the four main layers of Earth's interior?
200
Heat from a stove or heat from the sun.
What are examples of radiation?
200
The supercontinent that existed approximately 300 million years ago.
What is Pangea?
200
The device used to bounce sound waves off of underwater objects to determine the distance to the object.
What is sonar?
200
When plates move together, causing subduction or the formation of mountains.
What is a Convergent Boundary?
300
As we journey toward the inner core, temperature _____________________ and pressure _________________.
Increases; increases
300
Warm air from the radiator rising to the ceiling or cool air from a refrigerator sinking to the floor.
What are examples of convection?
300
The three types of evidence used to prove the German scientist's theory.
What are evidence from land features, evidence from fossils, and evidence from climate?
300
Proposed the idea of sea-floor spreading.
Who is Harry Hess?
300
When plates move away from each other, forming a mid-ocean ridge.
What is a Divergent Boundary?
400
The uppermost part of the mantle that forms a rigid layer.
What is the lithosphere?
400
Burning your feet on the hot sand at the beach.
What is an example of conduction?
400
The reason the German scientist's theory was ultimately rejected.
What is the lack of proof explaining how the continents could slide over the ocean crust?
400
The evidence used to support the theory of sea-floor spreading.
What is evidence from molten material, evidence from magnetic stripes, and evidence from drilling samples?
400
Earthquakes are most likely to occur here.
What is the strike-slip fault formed by Transform boundaries?
500
Oceanic crust is primarily made up of __________________. Continental crust is primarily made up of _____________________.
Basalt; Granite
500
The three factors that combine to start a convection current.
What are heating and cooling of fluid, changes in density, and the force of gravity?
500
The same coal beds exist in the Northeastern part of the United States and in Western Europe. Explain.
Evidence from land features
500
The Pacific Ocean is _________________________, while the Atlantic Ocean is _________________________.
Shrinking; Growing
500
Oceanic crust is _____ dense than continental crust. The ___________________ sinks beneath the _____________________.
More; oceanic crust; continental crust
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