Earth Features
Where are most volcanoes in the world located?
The Ring of Fire
What is a plate boundary?
Where plates meet.
Who is famous for the Theory of Plate Tectonics? What were their initial observations?
Alfred Wegener - jigsaw puzzle
What drives plate tectonics?
Convection Currents.
How many plates did we draw on our maps?
15
What features runs through the middle of most of the Atlantic Ocean?
The Mid-Atlantic Ridge
What is a subduction zone?
A convergent boundary where one plate slides under the other plate.
Provide one piece of evidence for plate tectonics in detail.
Answers vary.
What is density?
Mass divided by volume.
What year was the Theory of Plate Tectonics officially formulated?
1960s.
What is the small plate located off the northwest coast of the United States called?
Juan de Fuca Plate
What are the three major types of boundaries? Explain each.
Convergent, divergent, transform.
Provide one piece of evidence for plate tectonics in detail.
Answers will vary.
Heated material decreases in density so it rises. When it is away from the heat source it cools and gains density so it falls. This continues as long as there is a heat source.
Laurasia and Gondwana
The Pacific Plate is moving over a hot spot. Each island is created at the hot spot but then moves off it and a new island then forms.
What type of plate boundaries are responsible for volcanic activity?
Convergent and divergent.
How are fossils evidence for plate tectonics?
Fossils of the same species have been found on different continents that look like they may have fit together at one time.
Where are the most important convection currents taking place in relation to plate tectonics?
Asthenosphere.
What is the best soccer team in the world?
Arsenal
Explain how it is possible that we have an ancient volcano (Pawtuckaway or the Ossippee Mountains) in New Hampshire even though it is not near a plate boundary. ALL CAN ANSWER!
Responses may vary.
Why type of plate boundary can be found along the west coast of South America?
Convergent
Explain magnetic reversals and how this is evidence for plate tectonics. ALL CAN ANSWER!
Answers may vary.
Write a full explanation of how lava lamps are related to plate tectonics. ALL CAN ANSWER!
Answers may vary - related to convection currents in the asthenosphere.
How many counties are there in New Hampshire?
10