Continental Drift & Seafloor Spreading

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

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

• It is impossible to predict what Earth looked like millions of years ago.

• He couldn't explain HOW or WHY the continents moved.

• They were afraid of the new idea.

Tags

NGSS.MS-ESS2-3

Underwater mountain ranges are called ____________.

• deep sea trenches

• mid-ocean ridges

• seafloor spreading

• continental drift

The OLDEST rocks on the seafloor are located?

• Closest to the mid-ocean ridge

• Farthest from the mid-ocean ridge

Tags

NGSS.MS-ESS2-3

The YOUNGEST rocks on the seafloor are located?

• Closest to the mid-ocean ridge

• Farthest from the mid-ocean ridge

Tags

NGSS.MS-ESS2-3

What theory states that the continents were once part of a super continent called Pangaea and have moved slowly to their current locations over hundreds of millions of years.

• Oceanic wandering

• Land-form Evidence

• Continental Drift

• Fossil Distribution

What types of evidence did Wegener use to support the theory of Continental Drift? (Select ALL answer that are correct)

• evidence from land features

• evidence from animal fossils

• evidence from ancient climates

• evidence from plant fossils

• evidence from human remains

Who suggested the theory of seafloor spreading?

• Harry Hess

• Alfred Wegner

• Mrs. Bratton

• Albert Einstein

Tags

NGSS.HS-ESS1-5

According to Wegener, the continents used to be joined together as one supercontinent known as:

• South Africa

• Eurasia

• Pangaea

• Potlopia

How long did it take the continents to move from Pangaea into their current position?

• Hundreds of years

• Thousands of years

• Millions of years

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

Who is the person credited with developing the theory of continental drift?

• Harry Hess

• Albert Einstein

• Alfred Wegener

• Isaac Newton

Tags

NGSS.HS-ESS1-5