Seafloor Spreading and Plate Tectonics - Hornet Time

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Tags

NGSS.MS-ESS2-3

Sea-floor spreading begins at the

• Deep ocean trench

• Mid-ocean ridge

• Continent's edge

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

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

The YOUNGEST rocks on the seafloor are located?

• Closest to the mid-ocean ridge

• Farthest from the mid-ocean ridge

Tags

NGSS.MS-ESS2-3

The OLDEST seafloor is located? 

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

The zone where one plate slides under another is called the

• Convergent zone
• Subduction zone
• Transform zone
• Mantle zone

The entire cycle of heating occurring in the mantle is called

• Convection currents
• Compound currents
• heat currents
•  subcurrents

Tags

NGSS.MS-ESS2-1

Convection currents in the _________ pull the seafloor apart.

• Crust

• Mantle

• Core

Tags

NGSS.MS-ESS2-3

What is label G

• ocean trench

• mid ocean ridge

• abyssal plain
• sea mount

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What is label D

• Trench

• Mid ocean ridge

• abyssal plain

• sea mount

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2