1. The crust and upper mantle make up the Earth’s:
a. lithosphere; b. asthenosphere; c. core, d. continents
2. Plates move apart at ____ boundaries.
a. convergent; b. stable; c. divergent; d. transform
3. What occurs when an oceanic plate meets a continental plate?
a. convection; b. subduction; c. diversion; d. transformation
4. What is formed when two continental plates collide?
a. a trench; b. mountains; c. volcanoes; d. a rift
5. The collision of two oceanic plates forms:
a. a mountain; b. convection current; c. trench; d. volcano
6. The Earth’s crust is:
a. thin; b. hard and brittle; c. broken into puzzle-like pieces; d. all of these
7. Plate Tectonics is:
a. a popular theory; b. a known scientific law; c. a faulty hypothesis; d. none of these
8. Which of the Earth’s features cannot be explained by the theory of Plate Tectonics:
a. deep sea trenches; b. chains of volcanoes; c. mid-ocean ridges; d. lithosphere
9. What kind of movement created the Himalaya Mountains?
a. reversals of Earth’s magnetic fields; b. divergent boundaries; c. erosion; d.
continental collision
10. What is a transform boundary?
a. It is formed when two plates collide; b. It is formed when two plates slide past on
another; c. It is formed when two plates moved toward one another; d. It is formed when
two plates pull away from each other.