Plate Tectonics
What is continental drift?
The theory that earth's continents move over time and were once joined together
First proposed by Alfred Wegener in 1912
Who proposed seafloor spread?
Harry Hess
What is the capital of the United States?
Washington DC
What planet is known as the Red Planet?
Mars
What is the inner core made of?
Iron and nickel, and ssome sulfur
Define the term subduction.
One plate sinks under another and is pulled into he mantle
What is the capital of Canada?
Ottawa
What is the fastest land animal?
Cheetah
What is the range or average thickness of continental crust?
30-70km
Average 45km
What evidence supports continental drift?
Continental fit, matching plant and animal fossils, matching glacial deposits, matching rock folds
What is the capital of Kenya?
Nairobi
What organ in the human body produces insulin?
Pancreas
What is believed to be the main driver of plate movement?
Convection currents
Name two landforms associated with destructive plate boundaries.
Fold mountains, ocean trenches, island arcs
What is the capital of Nigeria?
Abuja
What’s the name of the spaceship that first landed on the Moon?
Eagle
what technology helped to prove the theory of seafloor spread?
SONAR
Which tectonic plate is subducting beneath Japan?
Pacific
What is the capital of Kazakhstan?
Astana
What’s the name of the largest volcano in the solar system?
Olympus Mons
Olympus Mons is a giant volcano on Mars, three times as high as Everest and as wide as France.
13 miles high, 370 miles wide