Divergent Boundaries

What causes the motion of the plates?

• Convection in the outer core

• Magnetic reversals

• Energy from the Sun

• Convection in the mantle

What creates a divergent boundary?

• Upwelling in the mantle

• Sinking material in the mantle

• Solar energy

• Magnetic reversals

What geologic feature should be found at a divergent boundary?

• A flat plain

• A dome

• A ridge

• A subduction zone

Where in the world is it possible to stand inside an oceanic divergent boundary?

• Iceland

• Africa

• North America

• Greenland

Where can you find divergent boundaries?

• On land only

• In the ocean only

• Both land and ocean

• None of the above

Where are most divergent boundaries found?

• The ocean floor

• The edge of a continent

• In the middle of a continent

• They are equally distributed around the world

Tags

NGSS.MS-ESS2-3

Where the most well-known continental rift in the world right now?

• West Africa

• East Africa

• Iceland

• Texas

What is a divergent plate boundary?

• A boundary between two plates that are moving apart
• A boundary between two plates that are crashing together
• A boundary between two plates that are sliding past each other
• A boundary between two plates that are not moving

Tags

NGSS.MS-ESS2-3

What causes seafloor spreading to occur?

• Old crust is destroyed at divergent boundaries.
• New crust forms at divergent boundaries, pushing old crust outwards.
• Old crust pushes new crust towards divergent boundaries.
• New crust forms as plates move over hotspots.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What feature forms near divergent boundaries between two pieces of oceanic crust?

• Mid-ocean ridge
• Non-volcanic mountain
• Continental rift valley
• Trench

Tags

NGSS.MS-ESS2-3