Great Rift Valley

What is the rigid, outer layer of the earth called?

• Asthenosphere

• Lithosphere 

• Inner Core

• Outer Core

What causes rift valleys to form?

• Tectonic plates moving toward each other

• Tectonic plates moving against each other

• Tectonic plates moving away from each other

The African tectonic plate is separating into two plates called what? 

• Egyptian Plate and Kenyan Plate

• Saharan Plate and Kalahari Plate

• Somali Plate and Nubian Plate

• East African Plate and West African Plate

How long do geologists think it will take for the African continent to split in two? 

When Africa splits in two, a new __________ will be formed. 

• Desert

• Mountain

• Forest

• Ocean