AI Deck That Cant Be Deleted Flashcards
(71 cards)
Q: What are the four layers of the Earth?
A: Inner core
outer core
Q: What causes tectonic plates to move?
A: Convection currents in the mantle.
Q: What is Wegener’s theory called?
A: Continental Drift.
Q: Name two pieces of evidence for continental drift.
A: Jigsaw fit of continents; matching fossils on different continents.
Q: Where do earthquakes and volcanoes usually occur?
A: At plate boundaries.
Q: What happens at a convergent boundary?
A: Plates collide → earthquakes & volcanoes (e.g. Andes).
Q: What happens at a divergent boundary?
A: Plates move apart → volcanoes form (e.g. Mid-Atlantic Ridge).
Q: What caused the Haiti Earthquake (2010)?
A: Conservative plate boundary between Caribbean & North American plates.
Q: Why were Haiti’s earthquake impacts so severe?
A: Poor infrastructure
high population density
Q: What is a tsunami?
A: A giant sea wave caused by undersea earthquakes.
Q: What is a superpower nation?
A: A country with global influence (economy
military
Q: Name two current superpowers.