LHS Earth Science - Sea Floor Spreading

True or False : Sea-floor Spreading adds new material to the ocean floor?

• True

• False

What did scientists use to map the oceans floor?

• Echo-location

• Sonar

• Space Shuttles

• Animals

What are Mid-Ocean Ridges?

• A chain of underwater waterfalls 

• A chain of underwater volcanos

• A chain of underwater mountains

• A chain of underwater rocks

What are Mid-Ocean Ridges?

• A chain of underwater waterfalls 

• A chain of underwater volcanos

• A chain of underwater mountains

• A chain of underwater rocks

What was the name of the supercontinent?

• The world

• Pangea

• Land

• Chick-Fil-A

What was Wegener's hypothesis called?

• The Pangea 

• Moving Continents 

• The Continental Drift

• Techtonic Plates

What evidence helped Wegener support his theory?

• Climate

•  Fossils

• Land Features

• All of the Above

Which is NOT evidence of sea-floor spreading?

• Molten magma constantly erupting

• Drilling samples of rock

• Magnetic stripes

• Fossil evidence

Which piece of evidence did Wegener NOT use to support his theory of continental drift?

• Climate

• Sea-floor spreading

• Continents’ shape   

• Plant and animal fossils

Who proposed the theory of Sea-Floor Spreading? 

• Harry Hess

• Alfred Wegener

• Harry Humphrey

• Alfred Williams