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Restless Earth AAM

Vocabulary words to prepare for the Test by Aisha

QuestionAnswer
What are Earth's inside layers? The crust, the mantle, and the core
What is Pangea? A super continent that existed 300 million years ago
Which is a plate boundary that involves two plates moving towards each other? Convergent Boundaries
What type of plate boundary involves two plates moving apart? Divergent Boundaries
Which plate boundary involves plates two plates sliding along each other? Transform Boundaries
What is it called when one plate is pushed under another plate as they collide? Subduction
What is the point where earthquakes occur called? Faults
An instrument that compares the sizes of earthquakes from each other? Richter Scale
What is a seismometer? A unit that measures the shake
Type of waves that are last to strike and are the most dangerous Surface Waves
How are plates moved? by the convection currents in the mantle.
What happens when two continental plates collide? One of the plates will be forced under the other slightly, and no subduction takes place
New crust is created by? Magma in the Mantle.
Where do plates float on? The upper Mantle
Who first proposed the theory of the continental drift? Alfred Wegener
Pangea began to break up in ____________ Period? Jurassic Period
The strength in the earthquake is known as the Magnitude
_________ point of the ground level, and _________ is right above the ground level. focus, epicenter
Earthquake is a sudden movement of the Earth's surface.
The structure of the earth most resembles an apple
Created by: Aisha M
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