Crusty demons
Shakers!
Drift away
100
Divergent, convergent and transform.
What are the three plate boundaries?
100
Many earthquakes and volcanoes occur here
What is the ring of fire?
100
He was the first person to suggest how cointinents move
Who is Alfred Wegner?
200
When plates come together
What is convergence?
200
Hot mantle plumes breaching the surface in the middle of a tectonic plate
What is a hot spot?
200
Pangea
What is the name of the first supercontinent?
300
when a continental and oceanic crust come together
What is a subduction zone
300
Formed by subduction, rifting or hotspots
What forms volcanoes?
300
The earth’s crust and upper mantle are broken into sections called plates. These plates float on the mantle like rafts (moving very slowly)
What is plate tectonics?
400
form spreading ridges and mountains
What do divergent boundaries and convergent boundaries form?
400
Use the Mercalli and Richter scale
What is used to measure earthquakes?
500
oceanic and continental crusts forms these because continental is more bouyant and oceanic is dense.
What forms subduction zones?
500
At this magnitude, most buildings are destroyed near the epicentre, tsunamis and tidal waves are formed if close to the coast.
What is magnitude of 9?
500
Same fossils found on different continents; same rock structures on different continents (rock sequences and glaciation).
What is the evidence of continental drift?
M
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