Sea Floor Spreading and Continental Drift

What occurs at a divergent boundary?

• Plates are spreading apart

• Plates are colliding

• Plates are sinking in the Earth

• Plates are sliding past each other

What occurs at a Convergent boundary?

• Plates are spreading apart

• Plates are colliding

• Plates are sinking

• Plates are sliding past each other

What is occuring at a subduction zone?

• Two continental plates are collinding

• Two oceaninc plates are colliding

• One oceanic plate is colliding with a continental plate

• Two plates are colliding

What is happening at a transform boundary?

• Two plates are colliding

• Two plates are spreading apart from each other

• Two plates are sliding past each other

• Two plates are sinking

What geological features form at a transform boundary?

• Mountains

• Earthquakes

• Volcanoes

• Rift Valleys

What forms at a collinear boundary?

• Mountains

• Earthquakes

• Volcanoes

• Rift Valleys

Match the following

What ideas were there to support continental drift?

• Fossil evidence

• Geological evidence (glaciers)

• The matching of the coastlines

• Rock/Mountians ranges that matched

What evidence was there to prove sea floor spreading? (Pick two)

• Earth's magnetism

• Age of the ocean floor

• Mountain ranges

• Glaciers