The Tectonic Plates
Vocabulary
Types of Plate Boundaries and What They Form
Heat and Depth
When Major Events Happened
100
This is the Southernmost plate.
What is the Antarctic Plate?
100
A vent to the earth's interior.
What is a volcano?
100
This plate boundary divides apart from each other.
What is a Divergent Boundary?
100
This is 40-2800 (Kilometers) below the surface.
What is the mantle?
100
This happened 50-250 million yeas ago.
What is when dinosaurs became extinct?
200
This plate covers the smallest continent.
What is the Australian Plate?
200
A single landmass or supercontinent, that existed 200-350 million years ago and was separated, forming the current continents.
What is Pangea?
200
This plate boundary collides, which can form mountains.
What is a Convergent Boundary?
200
This is 2800-52000 degrees (C).
What is the upper core's temperature?
200
This happened 250-500 million years ago.
What is the first fossil evidence of reptiles?
300
This is the largest plate and it covers the largest ocean.
What is the Pacific Plate?
300
Periods of thousands, millions, and/or billions of years referred to by scientists who study the earth's history
What is geological time?
300
These plate boundary slides past each other.
What is a Transform Boundary?
300
0-40 (Kilometers) below the surface.
What is the crust?
300
This happened less than 50 million years ago.
What is when Yucca Mountain was formed?
400
This is the only plate which covers two continents.
What is the Eurasian Plate?
400
A flow of material (magma) caused by a temperature difference.
What is a Convection Current?
400
This plate boundary can form mid-ocean ridges.
What is a Divergent Boundary?
400
This is over 6,000 degrees (C).
What is the inner core's temperature?
400
This happened 200-350 million years ago.
What is when Pangea was formed?
500
This plate crashed into another plate forming the Himalayas.
What is the Indian Plate?
500
Molten rock found beneath the earth's surface.
What is magma?
500
This plate boundary forms earthquakes.
What is a Transform Boundary?
500
This contains the crust and the upper mantle.
What is the Lithosphere?
500
BONUS: These mountains formed 480 million years ago.
What is when the Appalachian Mountains?
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