Continental drift

Why did no one accept Wegener's theory?

When did Pangaea exist?

What does sea-floor spreading do?

Who came up with the Theory of Continental Drift?

Name a land feature that Wegener used as proof.

What was the name of the fern-like plant that Wegener used as proof of his theory?

What kind of mountains were proof of Wegener's theory?

Which layer of the earth is liquid?

Which is the hardest mineral?

What rock forms as a result of being changed by heat and pressure?

The theory that the continents were once all connected and have since drifted apart is called

Which of these is evidence for sea-floor spreading?

What was the supercontinent called?

Name the process in which the ocean floor sinks back into the mantle at a deep-ocean trench.

What layer of the earth do we live on?

What sedimentary rock was used as proof of Wegener's theory?

Glossopteris fossils are found in many continents that today are separated by

Spitsbergen is believed to have been much further south in the past because it has fossils of

What kind of rock "freezes" (turns from liquid to solid)?

Which is the softest mineral?

What are the long chains of underwater mountains called?

What are the deep underwater canyons called (where oceanic crust sinks down into the mantle)?

What rock gets formed by weathering, erosion, deposition, compaction, and cementation?

If a continent moves toward the poles, the climate