Plate Tectonics

What hypothesis by Alfred Wegener explains why continents seem to fit together?

• Continental Spreading

• Plate Tectonics

• Wegner's Puzzle

• Continental Drift

According to Wegener, how many landmasses did all continents once form?

• 1

• 3

• 5

• 7

What did Wegener hypothesize happened to the continents?

• They broke apart and reformed

• They drifted together to form a single continent

• They broke up on drifted to their current locations

• They sank into the ocean

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Wegener used fossils of the mesosaurus, a swimming reptile, and the glossopteris, a fern, found of different sides of the Atlantic to support his theory of continental drift.

• True

• False

Tags

NGSS.MS-ESS2-3

What were the three types of evidence found on both sides of the ocean that support Wegener's theory of continental drift?

• Similar fossils, similar rocks, and glacier tracks

• Similar fossils, similar water sources, and similar people

• Similar rocks, similar houses, and similar glacier tracks

• Similar rocks, similar fossils, and simial water sources

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Wegener thought that all of the present continents were once joined 245 million years ago in a giant land mass. What was it called?

• Pangea

• Sea-floor spreading

• Laurasis

• Magnetic Reversal

Tags

NGSS.MS-ESS2-2

The single landmass that split into two continents that were called Gondwana and _________ about 180 million years ago. What was the name of the second continent?

• Sea-floor Spreading

• Pangea

• Laurasis

• Magnetic Reversal

Tags

NGSS.HS-ESS1-5

What is the process of adding new oceanic lithosphere at mid-ocean ridges called?

• Sea-floor spreading

• Magnetic Reversal

• Ocean Splitting

• Ocean shrinking

Rock on the ocean floor provided the final proof of seafloor spreading with a record of _____________. What is this called

• Sea-floor Spreading

• Magnetic Reversal

• Mid Ocean Ridges

• Ocean Trenches

Tags

NGSS.MS-ESS2-3

Scientists did not believe Wegener's theory because he could not explain how and why the continents moved.

• True

• False

Tags

NGSS.HS-ESS1-5