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Earth's Interior
Convection Currents
Drifting Continents
Sea-floor Spreading
100
The core
What is the Earth's hottest layer?
100
Convection
The transfer of heat by the movement of particles in fluids is called what?
100
Continental Drift
What is the process in which continents slowly move?
100
New rock forms.
What happens in sea-floor spreading?
200
The Crust
What is Earth's thinnest layer
200
Convection Currents
The Earth's plates move because of what?
200
Alfred Wegener
What is the geologist that developed the idea that the continents were once joined and have since drifted apart.
200
Evidence from molten material, magnetic strips, and evidence from drilling samples.
What is the evidence for sea-floor spreading?
300
Convection
What is the transfer of heat by movement of particles in a fluid called?
300
Evidence of landforms, from climate and from fossils
What is evidence for Wegener's theory on continental drift?
300
Newly formed oceanic crust
What lies closet to mid-ocean ridges?
400
Granite
What is Continental crust made of?
400
Radiation
The transfer of heat through space is called?
400
Glossoptersis
What is the fossil evidence that Wegener used?
400
Subduction
What is the process by which the ocean sinks beneath a deep-ocean trench and back into the mantle?
500
Earthquakes, wind, and water
What are examples of Destructive forces?
500
Conduction
What is the transfer of heat between two objects that are touching?
500
Wegener did not have enough evidence.
What is why Wegener's theory was rejected?
500
The process of sea-floor spreading
What is how does new oceanic floor form?