Plate Tectonics 3rd

State another name for plate margins.

• Classifications

• Constructions

• Plate boundaries

• Plate tectonics

Pangaea was an ancient supercontinent made up of...

• America, Greenland, and Europe.
• Antarctica, India, and America.
• all of Earth’s continents.
• South Africa, India, Australia, and South America.

What type of rock makes most of the oceanic crust

• Sedimentary
• Basalt
• Metamorphic
• Limestone

What are the two types of crust?

• Oceanic and continental

• Lower and upper

• Thick and thin

• Ocean and land

Where are earthquakes and volcanoes most likely to be found?

• at plate boundaries

• in the middle of continents

• in the middle of oceans

• at country borders

Two tectonic plates move towards each other at a _____ margin.

• Convergent

• Divergent

• Transform

Two tectonic plates move past each other at a _____ margin.

• Divergent

• Convergent

• Transform

What type of margin does this diagram show?

• Transform

• Convergent

• Divergent

What type of margin does this diagram show?

• Divergent

• Convergent

• Transform

What word describes one plate sliding underneath another?

• subduct

• sink

• fall

• descend