Earth composition
continental drift

Plate interactions
igneous rocks
volcanoes/earthquakes
100
tep. of 0-100 Celsius depth: 0-100 km composition: magnesium and iron silicates
What is lithosphere
100
Scientist who started the theory of continental drift
What is Alfred Wegener
100
when one plate is destroyed by the other plate going over top of it.
What is a subduction zone
100
molten rock below the surface
What is magma
100
stress on the rocks, and shifting of plates
What is the cause of earthquakes
200
only liquid layer
What is the outer core
200
fossils, fit of continents, rock, climates
What are types of evidence that support the continental drift theory
200
new rock forming and pushing continents apart
What is sea floor spreading
200
molten rock above the surface
What is lava
200
using the Richter scale
What is the tool used to determine the magnitude of an earthquake
300
hottest and most dense layer
What is inner core
300
flattest part of the ocean
What is the abyssal plane
300
two plates that move away from each other
What is a divergent boundary
300
rocks that take long periods of time to cool
What is intrusive rocks
300
shield, composite, cinder cone
What are the main types of volcanoes
400
the denser of the two crusts
What the oceanic crust
400
the process of sending sound waves to the ocean floor to measure depth
What is SONAR
400
two plates that slide past each other without colliding
What is a transform plate margin
400
rocks with two textures
What is a porphyritic rock
400
rhyolite magma
What is the most explosive type of magma
500
hot tar like layer of Earth
What is the Asthenosphere
500
where rocks are the youngest on the ocean floor
What is a mid-ocean ridge
500
islands formed by divergent, and divergent plate margins
What is volcanic island arcs
500
glassy/fine
What is the texture of obsidian, rhyolite, and basalt
500
what type of plate margins are volcanoes created
What are divergent and convergent plate margins
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