Continental Drift and Seafloor Spreading

Most recent super-continent where all the continents were touching.

• Panthea

• Pangaea

• Ursa Major

• Gondwana

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

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

The zone where one plate slides under another is called the

• Convergent zone
• Subduction zone
• Transform zone
• Mantle zone

Tags

NGSS.MS-ESS2-3

The OLDEST seafloor is located? 

• Closest to the mid-ocean ridge
• Farthest from the mid-ocean ridge

Tags

NGSS.HS-ESS1-5

What are Mid-Ocean Ridges?

• A chain of underwater waterfalls

• A chain of underwater trenches

• A chain of underwater mountains

• A chain of underwater rocks

Sea-floor spreading begins at the

• Deep ocean trench

• Mid-ocean ridge

• Continent's edge

Tags

NGSS.MS-ESS2-3

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

• Harry Hess

• Albert Einstein

• Alfred Wegener

• Isaac Newton

Tags

NGSS.MS-ESS2-3

What is this a picture of?

• Eurasia

• Laurasia

• Pangaea

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

Younger sea floor crust is located...

• farther from the mid-ocean ridges

• at the mid ocean ridges

• near the continents

Tags

NGSS.MS-ESS2-3