Sea Floor Spreading and Plate Tectonics

What looked like stitches on a baseball that ran along some ocean floors?

• Holes

• Mid-Ocean Ridges

• Stitches

• Subduction

Tags

NGSS.MS-ESS2-3

Which is not evidence of seafloor spreading?

• Evidence from ocean material

• Evidence from magnetic stripes

• Evidence from climate

• Evidence from drilling samples

Tags

NGSS.MS-ESS2-3

What feature is at C?

• Subduction

• Seafloor spreading

• Deep ocean trench

• Alfred Wegener

___________ is the hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations.

• Continental drift

• Tectonic Plates

• Alfred Wegener

• Sea-floor spreading

In sea-floor spreading, new crust is added at a

• mid-ocean ridge

• magnetic stripe

Tags

NGSS.MS-ESS2-3

Which process adds more crust to the ocean floor?

• suction

• sea-floor spreading

• subduction

• magnetic strip

Which theory describes the motion of and force driving Earth's plates?

• first law of motion

• third law of motion

• continental drift

• plate tectonics

Tags

NGSS.MS-ESS2-3

An undersea mountain chain where new ocean floor is produced, in a divergent plate boundary is?

• deep-ocean trench

• sea-floor spreading

• mid-ocean ridge

Boundary where plates move away from each other are?

• convergent

• Divergent

• transform

Tags

NGSS.MS-ESS2-3

Which features form the longest mountain ranges on Earth?

• the mid-ocean ridges

• the deep-ocean trenches

• the Rockies

• the Andes

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3