Divergent Boundaries Review

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

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-ESS2-1

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

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

When a divergent boundary happens under continental crust, it's called a:

• Rift Valley

• Block Mountain

• Folded Mountain

• Mid-Ocean Ridge

Tags

NGSS.MS-ESS2-2

When a divergent boundary occurs underneath the ocean, it's called a:

• Rift Valley

• Ocean Ridge

• Subduction Zone

• Fault Block Mountain

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What do you expect to find at a mid-ocean ridge?

• relative young rocks

• reverse fault

• thick accumulation of sediments

• very ancient rocks

Tags

NGSS.MS-ESS2-1

Tectonic Plate movement is caused by ______________.

• the rotation of the Earth

• ocean tides

• convection currents in the mantle

• the moon's gravity

Tags

NGSS.MS-ESS2-1

In which type of boundary do the plates move away from each other?

• convergent
• normal
• divergent
• transform

Tags

NGSS.MS-ESS2-3

What is the area where two tectonic plates meet called?

• collision
• mid-ocean ridge
• a boundry
• a rift zone

Tags

NGSS.MS-ESS2-3

The evidence from the rocks that indicates that the plates are moving apart at this location is that–

• the rocks are older the farther they are from the center.

• there is a thickening of the crust where the two sides meet.

• the rock types on one side are very different from those on the other.

• one rock layer melts as it moves under the other side.

Tags

NGSS.MS-ESS2-3