Seafloor Spreading

Seafloor spreading happens at Mid-Ocean Ridges.

• True

• False

Tags

NGSS.MS-ESS2-3

Which of the following supports the theory of seafloor spreading? (Choose ONE)

• Correlation of rock layers

• Continents fitting together like puzzle pieces

• Magnetic Reversal recorded in the rocks on both sides of the mid-ocean ridge

• Continuous Mountain Chains

Tags

NGSS.MS-ESS2-3

When looking at mid-ocean ridges the oldest rocks are

• In the middle

• Found close to the rift zone

• Found far from the mid ocean ridges

• Found close to the mid-ocean ridges

Tags

NGSS.MS-ESS1-4

What technology was used during and after WWII to detect enemy submarines and produce the first map of the seafloor?

• Echo Sounder

• Radar

• GPS

• Magnetometer

Tags

NGSS.MS-PS4-2

Undersea mountain ranges that stretch along the seafloor are called?

• Rift

• Mid-ocean ridge

• seafloor spreading

• Continental drift

Tags

NGSS.MS-ESS2-2

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Sea-floor spreading always begins at the

• Deep ocean trench

• Mid-ocean ridge

• Continent's edge

• Abyssal plain

Tags

NGSS.MS-ESS2-3

The process of seafloor spreading...

• creates new oceanic crust

• destroys or recycles crust

• creates new continental crust

• creates old crust

Tags

NGSS.MS-ESS2-3

Rocks at the mid-ocean ridges...

• formed a long time ago

• are older than other rocks in the ocean crust

• are younger than other rocks in the ocean crust

In the Atlantic ocean, where is the youngest seafloor located?

• Towards the edges, near the eastern and western continents
• Towards the middle of the ocean
• Towards the north and south poles
• Young seafloor is located randomly throughout the ocean

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3