sea floor speading

What did scientists use to map the oceans floor?

• drills

• Sonar

What was the name of the supercontinent?

• continental drift

• Pangea

• sea floor spreading

Tags

NGSS.MS-ESS2-3

What was Wegener's hypothesis called?

• The Pangea

• sea floor spreading

• The Continental Drift

• Techtonic Plates

What evidence helped Wegener support his theory?

• Climate change

• Fossils

• Land Features

• All of the Above

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What evidence helps scientists show how sea floor spreading occurs?

• Ages of rock

• Magnetic Stripes

• Drilling Samples (pillow lava)

• All of the Above

What happens when Subduction occurs?

• Parts of the crust fall into the mantle

• Parts of the crust fall into the core

• Parts of the crust fall into space

• None of the Above

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

The OLDEST seafloor (rocks) is located?

• Closest to the mid-ocean ridge

• Farthest from the mid-ocean ridge

The process that happens at the deep-ocean trench is called...

• sea-floor spreading
• adding material to the ocean floor
• subduction

Tags

NGSS.MS-ESS2-3

An undersea mountain chain where new ocean floor is produced.

• Sea-Floor Spreading

• Deep-Ocean Trench

• Mid-Ocean Ridge

• Subduction

The process by which molten material adds new oceanic crust to the ocean floor.

• Sea-Floor Spreading

• Deep-Ocean Trench

• Mid-Ocean Ridge

• Subduction

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2