review for sea floor spreading

The OLDEST seafloor is located? 

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

Tags

NGSS.HS-ESS1-5

True or False : Sea-floor Spreading adds new material to the ocean floor?

• True
• False

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

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

When one tectonic plate __________ under another at a convergent boundary it sinks back in the mantle.

• subducts
• falls
• sinks

Tags

NGSS.MS-ESS2-3

The oceanic crust is pushed aside on both sides of the 

• Continent's edge
• Deep-ocean trench
• Mid-ocean ridge

Tags

NGSS.MS-ESS2-3

New crust is always formed at the...

• mid-ocean ridge
• deep-ocean trench
• asthenosphere

Process by which new ocean lithosphere forms.

• Seafloor spreading
• Continental drift
• Mid-ocean ridge
• Rift

Tags

NGSS.HS-ESS2-1

Which type of crust is more dense and thinner?

• Continental
• Asthenosphere
• Oceanic
• Byers

Rock at the mid ocean ridges...

• is the oldest rock on the earth.
• is older than continental rock.
• is younger than continental rock.

Tags

NGSS.HS-ESS1-5

Rock found on either side of the mid ocean ridges...

• gets older the farther you move out from the ridge.
• gets younger as you move out from the ridge.
• is the same age as the rest of the seafloor. 

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2