Convection Currents and Seafloor Spreading

Which of the following supports the theory of seafloor spreading?

• Correlation of rock layers
• Crustal Age
• Magnetic Reversal
• Continuous Mountain Chains

Tags

NGSS.MS-ESS2-3

What causes the crust to move?

• convection
• conduction
• tension
• radiation

Tags

NGSS.MS-ESS2-3

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 entire cycle of heating occurring in the mantle is called

• Convection currents
• Compound currents
• heat currents
•  subcurrents

Tags

NGSS.MS-ESS2-1

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

Tags

NGSS.MS-ESS2-3

What 3 kinds of evidence were used to prove that the seafloor spread?

• Rock formations, age of rocks, WWII shipwrecks

• Age of rocks, magnetic seafloor stripes, WWII ship logs

• Rock formations, magnetic seafloor stripes, age of rocks

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

• Sonar
• Radar
• GPS

Tags

NGSS.MS-PS4-2

Undersea mountain range.

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

Tags

NGSS.MS-ESS2-3

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Magnetic field that points south.

• Modern polarity
• Past polarity
• Normal polarity
• Reversed polarity