Show:
Continental Drift
Plate Tectonics
Boundries
Earthquakes
Volcanoes
100
Who first proposed the idea of Continental Drift?
Who is Alfred Wegner
100
How many plates do we have now?
What is about a dozen?
100
What is the name for plates that push towards each other?
What is convergant boundry?
100
What causes earthquakes?
What is movement of earths plates?
100
What is expeled from volcanoes?
What is magma?
200
Why did scientist ignore the theory of conteinental drift?
What is no mechanism for moving?
200
Which brittle, rigid area rest above the mantle?
What is the lithosphere?
200
What is the name for plates that pull apart from one another?
What is divergent boundry?
200
What system measure earthquakes power with a numerical value?
What is richter scale?
200
What are mantle plumes that have formed volcanic spots called?
What is a hotspot?
300
What was one way they proved continental drift?
What is identical fossils found across the seas? What is the fit of Africa and and South America?
300
What are the two types of crust?
What is contiental and oceanic crust?
300
What is the name for plates that slide past eachother?
What is transform boundry?
300
What waves are released by earthquakes
What is seismic waves?
300
What are two componets of volcanoes interior?
What is neck, magma pool, main vent, or side vent.
400
What now has taken the place of continental drift?
What is plate tectonics?
400
Which crust is denser than the other?
What is contiental crust?
400
This convergent boundry holds over half of the worlds active volcanoes
What is the ring of fire?
400
What is the center of the earthquake called?
What is epicenter?
400
What is the Yellowstone volcano considered?
What is supervolcano?
500
Where did the founder of contiental drift die
What is Greenland?
500
What plate rest between the South American and Pacific plate?
What is Nazca plate?
500
Where are subduction zones formed?
What is convergent boundry?
500
What are the types of earthquake faults?
What is normal, thrust, and strike slip?
500
What does mud, ash, water, and magma form when in contact with eachother?
What is a lahar?