Geography Everything Flashcards
(13 cards)
What are the four layers of the Earth?
Inner core, outer core, mantle, crust.
What causes tectonic plates to move?
Convection currents in the mantle.
What is Wegener’s theory called?
Continental Drift.
Name 2 pieces of evidence for continental drift.
Jigsaw fit of continents; matching fossils on different continents.
Where do earthquakes and volcanoes usually occur?
At plate boundaries.
What happens at a convergent boundary?
Plates collide → earthquakes & volcanoes (e.g. Andes).
What happens at a divergent boundary?
Plates move apart → volcanoes form (e.g. Mid-Atlantic Ridge).
What caused the Haiti Earthquake (2010)?
Conservative plate boundary between Caribbean & North American plates.
Why were Haiti’s earthquake impacts so severe?
Poor infrastructure, high population density, weak government.
What is a tsunami?
A giant sea wave caused by undersea earthquakes.
What is a superpower nation?
A country with global influence (economy, military, politics).
What are the emerging superpowers?
BRIC - Brazil, Russia, India, China
What are the factors that make a country a superpower?
