Seafloor and SUbduction

The OLDEST seafloor is located? 

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

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 are Mid-Ocean Ridges?

• A chain of underwater waterfalls 
• A chain of underwater volcanos
• A chain of underwater mountains
• A chain of underwater rocks

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-1

Massive pieces of land that are part of the Earth's crust and upper mantle

• Tectonic plates
• Trenches
• Divergent boundary
• Continental shelves

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

The process by which the ocean floor sinks beneath a deep-ocean trench back into the mantle is known as...

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

Tags

NGSS.MS-ESS2-3

Where would the oldest rock be found?

• L
• M
• N
• O

Tags

NGSS.MS-ESS1-4

What type of event will occur at this boundary?

• Earthquake

• Volcano Eruption

• Tornado

• Mountain Building

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

What is happening at point B?

• subduction
• a divergent boundary
• convection
• an earthquake

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What type of boundary is shown at A?

• transform
• convergent
• divergent
• subduction

Tags

NGSS.MS-ESS2-3

Most geologists think that the movement of Earth's plates is caused by __________________.

• conduction

• earthquakes

• convection currents in the mantle

• Earth's magnetic field

Tags

NGSS.MS-ESS2-3