volcanoes
Where is the ring of fire located?
Pacific Ocean
How many large tectonc plates are there?
7
How many years ago did pangea break up?
280 million
How are earthquakes measured?
Richter scale
What causes rivers that are carved through canyons?
Erosion
What does lava become when it cools?
Magna
Who first discovered the theory of plate tectonics and pangea?
Alfred Wegener
What was pangea called?
supercontinent
What does a seismograph measure?
Earthquakes
What part of the earth do we live on?
Crust
Earthquakes are only on land. y/n
no
What 3 things does plate tectonics cause?
volcanoes, earthquakes and mountains
Where should you go if you are indoors during an earthquake?
Under a strong table or object to cover your head.
What causes volcanoes to erupt?
rising magma from the earth
At what rate do plate tectonics move?
2.5 centimeters per year
Volcanoes can cause what in the oceans?
Tsunami
Name the three plate tectonic boundaries?
divergent, transform and convergent