Continental Drift
Plate Tectonics
Earthquakes
Volcanoes
Boundaries
100
Proposed the idea of continental drift.
Who is Alfred Wegener?
100
The subduction zone.
What is the place where one plate goes under another plate?
100
Earthquakes are caused by plates catching and then slipping causing vibration.
How are earthquakes caused?
100
Subduction zones.
Volcanoes form at what zone?
100
The place where two plates move apart or diverge is called a divergent boundary.
What is the place where two plates move apart or diverge?
200
Wegener’s theory was rejected by scientists because he could not explain what force pushes or pulls continents.
Why was Wegener's theory rejected by scientists?
200
You get mountains.
What is made when plates collide and come to a stalemate?
200
Siesmic waves cause vibration.
What waves cause vibratations in earthquakes?
200
Lava.
What is magma called after it leaves the volcano?
200
Sea floor spreading at a divergent boundary is called a mid ocean ridge.
What is it when the sea floor is spreading at a divergent boundary?
300
Continental drift was Wegener’s theory that all continents had once been joined together in a single landmass and have drifted apart since.
What was Wegener's theory?
300
Over a dozen plates in all.
How many plates are there in the world?
300
Tsunami.
What are the waves called that earthquakes trigger?
300
Around the Ring of Fire.
Where do a lot of volcanoes form?
300
A convergent boundary is where two plates come together, or converge.
What is a convergent boundary?
400
Pangaea.
What is the name of Alfred Wegener's supercontinent?
400
The Lithosphere.
Where do the plates come from?
400
Haiti.
What country was hit with an earthquake in 2010 that killed 200,000 people?
400
Mt. St. Helens.
What is one volcano that is not around the Ring of Fire?
400
A transform boundary is a place where two plates slip past each other, moving in opposite directions.
What is a transform boundary?
500
Geologic- evidence in the layers of rocks across continents Fossil- evidence in the places certain fossils are found Climate- evidence in the changing climates during the past
What evidence did Alfred Wegener have?
500
The North American plate.
What plate are we on?
500
It was a magnitude of 9.5.
What is the highest earthquake ever recorded?
500
Mt. Vesuvius.
What volcano destroyed the city, and killed 2,000 people, of Pompeii?
500
Divergent plate boundaries.
What plate boundaries pull apart?
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