Seafloor Spreading

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.HS-ESS1-5

NGSS.HS-ESS2-1

What two words are BEST used to describe how the seafloor spreads?

• Magma and convection
• Earthquakes and convection
• Magma and convention
• Volcanoes and earthquakes

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

True or False: Our continents will eventually become a supercontinent (like Pangaea) again, far in the future

• True
• False

Tags

NGSS.MS-ESS2-3

True or False: The plates will never stop moving

• True
• False

Tags

NGSS.MS-ESS2-3

What causes the crust to move?

• convection
• conduction
• tension
• radiation

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

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.HS-ESS1-5

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-ESS2-2

NGSS.MS-ESS2-3

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Magnetic field that points south.

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

Tags

NGSS.MS-PS2-5