Layers
How many miles is it to the center of the earth?
What is 3,872 miles.
Is the crust a solid shell?
What is no.
When plates jerk apart suddenly what will occur?
What is an earthquake.
A huge wave caused by an underwater volcano is called?
What is a Tsunami.
Where is the USA's hot spot located?
What is Washington.
The crust is how many miles thick?
What is 25 miles.
What is the speed that plates move in a year?
What is 1 to 10cm.
When lateral slipping occurs, friction and pressure build up as the plates do what two things against each other?
What is slip and then stick.
How fast can a tsunami travel and how big can it grow to be?
What is 600 mph and as big as a 10-story building.
What year did Mt. Stain Helen's erupt, and is Mt. Stain Helen's still active today?
What is 1980, and yes.
What flows like syrup, and is located in the second layer?
What drifts upon the syrupy underlying mantle?
What is plates.
What is another word for strength?
What is magnitude.
Where is most volcanic rock generated?
What is at the plate boundaries.
What occurs when underwater plates pull apart from each other and create a volcano?
What is seafloor spreading.
The Outer Core is made up of?
What is Iron.
The theory that explains the movement of plates is called?
What is Plate tectonics.
The movement of continents is called?
What is Continental Drift.
What year did Mt. Vesuvius erupt and where is this volcano located?
What rises up from the mantle to fill the voids of stretched-out crust?
What is magma.
What keeps the inner core from melting?
What is the pressure from all the layers or it is solid metal and cannot melt.
When plates slip sideways against each other what occurs?
What is friction.
What is created when two continental plates collide?
What is mountain ranges on land.
How far could the eruption of Krakatoa be heard and in what year did it erupt?
Name the two cities that Mt. Vesuvius destroyed.
What is Pompeii and Herculaneum.