Based on the current position of the continents, in what general direction did South America drift away from Pangaea? A) East B) West C) North D) South Correct Answer: B) West
What evidence did Alfred Wegener use to support his theory of continental drift? A) Fossil discoveries B) The Himalaya Mountains C) Ancient maps of the world D) Charts of seismic activity Correct Answer: A) Fossil discoveries
What is true of tectonic plates? A) They are constantly moving B) Earthquakes cause them to move C) They don’t move for centuries at a time D) There are fewer and fewer of them Correct Answer: A) They are constantly moving
Where is Earth’s heat energy most concentrated? A) The mantle B) The lithosphere C) The core D) The crust Correct Answer: C) The core
Which of the following best describes the location of the mantle? A) Above the crust B) Between the crust and the lithosphere C) Between the crust and the core D) Beneath the core Correct Answer: C) Between the crust and the core
What is the underlying force that drives plate tectonics? A) Ocean tides B) Volcanic eruptions C) The rock cycle D) Convection currents Correct Answer: D) Convection currents
Which of the following is true of Earth's landmasses? A) They are the upper part of the crust B) They are made of a single tectonic plate C) They are the densest part of the crust D) They were formed by an earthquake Correct Answer: A) They are the upper part of the crust
Convection currents are powered by: A) Motion B) Pressure C) Heat D) Density Correct Answer: C) Heat
Which of the following plate interactions is most likely to form a mountain range? A) A transform boundary between ocean plates B) A transform boundary between continental plates C) A convergent boundary between continental plates D) A subduction zone between a continental plate and an ocean plate Correct Answer: C) A convergent boundary between continental plates
When two plates that differ in _______ collide, volcanoes often form nearby. A) Speed B) Density C) Thickness D) Temperature Correct Answer: B) Density
