Discovering Planet Earth Unit Assessment

A sudden violent shaking of the ground that sometimes causes great destruction.

• Volcano
• Earthquake
• Tsunami

An opening in the Earth that allows molten rock, called magma, from inside the Earth to escape.

• Volcano
• Earthquake
• Tsunami

Huge waves caused by an abrupt movement in the ocean floor, often caused by an underwater earthquake.

• Volcano
• Earthquake
• Tsunami

Describe a convergent boundary

• Plates move apart
• Plates move toward each other

Describe a divergent boundary

• Plates move apart
• Plates slide past each other

Describe a transform boundary

• Plates move apart
• Plates slide past each other

What features are caused by a convergent boundary when both plates have continental crust colliding?

• mountains
• sea-floor spreading

What features are caused by a convergent boundary when one plate is continental and one plate is oceanic?

• deep ocean trenches and volcanoes
• sea-floor spreading
• frequent earthquakes and faults

What features are caused by a divergent boundary when both plates are continental?

• deep ocean trenches and volcanoes
• rift valley
• frequent earthquakes and faults

What features are caused by a divergent boundary when both plates are oceanic?

• rift valley
• sea-floor spreading
• frequent earthquakes and faults