12 Questions
What collided with the Asian plate to form the Himalayan mountains?
Indian plate
Where is the 'Ring of Fire' located on Earth?
Pacific Ocean
What is identified as the possible source of the 'loudest sound' heard on Earth?
Meteor impact
Where is America's 'natural time bomb' located?
Yellowstone National Park
Which ocean is identified as growing wider?
Atlantic Ocean
What is the difference between Lava and Magma?
Location (below or above Earth's surface)
Where on Earth can you stand with one foot in Europe and the other foot in North America?
Iceland
What is the driving force behind plate tectonics?
Convection currents
If the Earth was the size of a basketball, how thick would the solid crust be?
As thick as a piece of paper
What is the source of the heat that keeps the Earth's core and mantle at high temperatures?
Radioactive decay
Which of the following is NOT an effect of plate tectonics on Earth and human life?
Hurricanes
Name one of the endangered cities on Earth that are 'waiting to die'.
Tokyo
Study Notes
Geologic History and Plate Tectonics
Effects of Plate Tectonics
- Earthquakes
- Land slides
- Sea level rise
- Volcanic events
Unique Locations
- You can stand with one foot in Europe and the other foot in North America in Iceland
- Endangered cities: Tokyo, San Francisco
Engine of Plate Tectonics
- Convection currents drive plate tectonics
Earth's Crust
- If the Earth was the size of a basketball, the solid crust would be as thick as a piece of paper
Heat Source
- Iron and nickel, along with radioactive materials, keep the Earth's core and mantle at high temperatures
Himalayan Mountains
- The Indian plate collided with the Asian plate to form the Himalayan mountains, placing ocean fossils near the top
Ring of Fire
- Located in the Pacific Ocean
- Features: volcanos
- Events: earthquakes
Loudest Sound
- Possible source: volcanic eruption
Natural Bombs
- Volcanos, waiting to explode
- America's natural time bomb: Yellowstone National Park's Supervolcano
- Explosion of Yellowstone Park's Supervolcano will have a devastating effect on the Earth and its inhabitants
Earth's Plates
- Plates move with convection currents
- 20 plates on Earth, 7 main plates
- Plates float over liquid mantle and convection currents move them
Ocean Expansion
- Atlantic Ocean is growing wider
- Pacific Ocean is shrinking in width
Lava and Magma
- Lava: molten rock that emerges on the Earth's surface
- Magma: molten rock beneath the Earth's surface
Future Time Bombs
- MegaThrust: shaking of the Earth
- Giant Tsunami: ocean wave
- Super Volcano: mountain of fire
Test your knowledge on geologic history and plate tectonics by answering questions based on 'The Amazing Planet' movie sheet. Be prepared to identify various effects of plate tectonics on Earth and human life.
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