Continental Drift

A break in Earth's crust along which rocks move is called a ________.

• plate
• rift
• fault
• breach

Tags

NGSS.MS-ESS3-2

The process by which molten material adds new oceanic crust to the ocean floor is called ___________.

• Divergent boundary
• Sea-floor spreading
• Convergent boundary
• Renovating 

What is an undersea mountain chain where new ocean floor is produced?

• Rift valley
• Deep-ocean trench
• Mid-ocean ridge
• Transform bounda

What is the process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary?

• Subduction
• Induction
• Abduction 
• Reduction

___________ is the theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle.

• Seismic waves
• Convection current
• Divergent boundary
• Plate tectonics

Tags

NGSS.MS-ESS2-3

What type of event will occur at this boundary?

• Earthquake

• Volcano Eruption

• Tornado

• Mountain Building

Tags

NGSS.MS-ESS2-3

Which of these events can ONLY happen on a DIVERGENT BOUNDARY?

• Rift Valley

• Mountain

• A peninsula

• An Insanely complex, long answer that you will click out of instinct.

What forms at a divergent boundary between two oceanic plates?

• rift valley
• mountain
• mid-ocean ridge
• trench

Based on evidence from land features, fossils and climate, Wegener concluded that continents

• sink

• rise

• move

Tags

NGSS.MS-ESS2-3

All of the continents were joined together in a supercontinent that Wegener called

• Pangaea

• Gondwanaland