Continental drift 1

Plate Tectonics

​HOW and WHY the plates can move!

Multiple Select

SELECT ALL THAT APPLY:

What two layers make up the LITHOSOPHERE?

• Core

• Upper Mantle

• Crust

• Lower Mantle

Multiple Choice

What CAUSES the plates to drift?

• Convection currents in the mantle

• There are invisible giants that push the plates

• The ocean waves push the plates.

• The Plates run away from each other because they're scared.

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The three main pieces of evidence for the continents once being joined together are:

• The continents fit together like puzzle pieces

• The movement of the continents can be felt

• there are fossils of the same organism on different continents

• we have recorded continental movement using satellites.

• There are rock formations that continue on different continents

Multiple Choice

At what plate boundary do tectonic plates move AWAY from each other?

• Convergent

• Divergent

• Transform

Multiple Choice

At what plate boundary do tectonic plates SLIDE PAST from each other?

• Convergent

• Divergent

• Transform

Multiple Choice

At what plate boundary do tectonic plates move TOWARDS from each other?

• Convergent

• Divergent

• Transform

Multiple Choice

What can happen at a divergent boundary, where the plates are moving away from each other?

• Convection currently only

• Seafloor Spreading can be occurring

• Mountains will be rising out of the ocean

• Tsunamis will be created

WHAT CAN HAPPEN AT A DIVERGENT BOUNDARY?

SEAFLOOR SPREADING

Multiple Choice

At a divergent boundary where the seafloor is spreading, where can I find the oldest crust?

• 10 Ft away from the ridge

• 20 Ft away from the ridge

• 30 Ft away from the ridge

• 40 Ft away from the ridge

• 50 ft away from the ridge

Multiple Choice

At a divergent boundary where the seafloor is spreading, where can I find the youngest (most newly formed) crust?

• 10 Ft away from the ridge

• 20 Ft away from the ridge

• 30 Ft away from the ridge

• 40 Ft away from the ridge

• 50 ft away from the ridge

Multiple Choice

Seafloor spreading can only happen at which of the following pate boundaries?

• Transform Boundary

• Convergent Boundary

• Divergent Boundary

• Magic Boundary

What can happen at a Convergent boundary?

Subduction and Mountain Forming