When an earthquake happens, what do you call the small rumbles that occur afterward?
An aftershock
100
What are the four layers of the Earth?
What is crust, mantle, outer core, and inner core
100
What is the name of the theory that Wegener came up with?
What is Continental Drift Theory
100
What plate boundary pulls apart?
What is divergent
200
Name the biggest and the smallest tectonic plates
Pacific Plate and Juan de Fuca Plate
200
In your own words explain how an earthquake happens.
What is when tectonic plates shift, it releases energy which makes seismic waves make the ground shake.
200
Which layer is the thinnest?
What is the crust
200
What was the process that Wegener could not explain to prove is theory?
What is sea-floor spreading
200
What plate boundary pushes together?
What is convergent-collison
300
What is the smallest tectonic plate?
What is Juan de Fuca
300
Is a volcano a destructive or constructive force?
It is both
300
What layer does convection currents occur?
The Mantle
300
Who proved the process that Wegener couldn't to support his theory?
Hesse
300
What plate boundary slides past each other?
What is transform-sliding
400
What two tectonic plates is the United States of America on?
What is North American Plate and Pacific Plate
400
When a volcano collapses into itself at the top, what does it form?
A crater
400
What do you call the crust beneath continents and the crust on the ocean floor?
Continental and oceanic crust
400
Why did scientists not accept Wegener's theory?
They did not accept it because Wegener did not have enough proof and scientists were not able to comprehend such an outrageous theory
400
What plate boundary runs across Iceland?
Divergent
500
What is plate subduction?
What is when the denser plate subducts under the less dense plate
500
What is a composite volcano?
A mountain that alternates layers of cinder
500
What are the main metals that are found in the core?
Iron and Nickel
500
Name four evidences of Wegener's Theory.
Plates fitting together like puzzle pieces, similar fossil record on different continents, mountain ranges lining up on different continents, and grooves carved by glaciers found on different continents