← Inside Earth Ch. 1 Test
5 Written Questions
5 Matching Questions
- rift valley
- continental drift
- a The hypothesis that the continents slowly move across Earth's surface.
- b A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust.
- c A deep valley that forms where two plates move apart.
- d A break in Earth's crust where masses of rock slip past each other.
- e The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents.
5 Multiple Choice Questions
- A layer of molten iron and nickel that surrounds the inner core of Earth.
- A usually light-colored igneous rock that is found in continental crust.
- The process by which oceanic crust sinks beneath a deep-ocean trench ande back into the mantle at a convergent plate boundary.
- The layer of rock that forms Earth's outer surface.
- A deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.
5 True/False Questions
plate tectonics → A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust.
lithosphere → A rigid layer made up of the uppermost part of the mantle and the crust.
scientific theory → A well-tested concept that explains a wide range of observations.
inner core → A layer of molten iron and nickel that surrounds the inner core of Earth.
conduction → The transfer of heat by movement of a fluid.