Introduction to Plate Tectonics/ Seafloor Spreading

Who first proposed the idea of Continental Drift?

• Harry Hess

• Alfred Wegener

• Albert Einstein

• Galileo Galilee

What did Wegener name the large supercontinent where all the continents were joined together?

• Wegenerland

• Gondwanaland

• Laurasia

• Pangaea

Tags

NGSS.HS-ESS1-5

Most geologists rejected Wegener's idea of Continental Drift because _________.

• He used too many pieces of evidence to support the idea.

• He wanted to know what Earth looked like millions of years ago, which is impossible.

• He couldn't identify what would cause continents to move around.

• They were afraid of the new idea.

Tags

NGSS.MS-ESS2-3

Wegener used the fit of the continents as evidence to support his hypothesis of Continental Drift.

• true

• false

Tags

NGSS.MS-ESS2-3

Wegener used matching mountain ranges across different continents as evidence to support his hypothesis of Continental Drift.

• true

• false

Tags

NGSS.MS-ESS2-3

Wegener used matching matching fossils of the same organisms on different continents as evidence to support his hypothesis of Continental Drift.

• true

• false

Tags

NGSS.MS-ESS2-3

Wegener used evidence of glaciers in places now too warm as evidence to support his hypothesis of Continental Drift.

• true

• false

Tags

NGSS.HS-ESS1-5

Wegener used the magnetic striping on the seafloor showing polar reversals as evidence to support his hypothesis of Continental Drift.

• true

• false

Tags

NGSS.MS-ESS2-3

Wegener used evidence of convection currents in the mantle as evidence to support his hypothesis of Continental Drift.

• true

• false

Tags

NGSS.MS-ESS2-3

What discovery revived Wegener's idea of Continental Drift and eventually led to the Theory of Plate Tectonics?

• discovery of new fossils on Africa and South America

• the discovery of mid-ocean ridges and seafloor spreading

• the discovery of radioactive isotopes

• none of the above

Tags

NGSS.MS-ESS2-3