Lesson 5.6
Seafloor Spreading Hypothesis
Explore More
Use this resource to answer the questions that follow.
https://www.khanacademy.org/science/cosmology-and-astronomy/earth-historytopic/plate-techtonics/v/plates-moving-due-to-convection-in-mantle
1. What happens to water in a pot if you heat one side of the bottom of the pot?
2. Where is convection taking place within Earth?
3. What is the relationships between a convection cell and seafloor features?
4. What does the convection cell do to the lithosphere over it?
Review
1. How does the pattern of magnetic stripes give evidence for seafloor spreading?
2. How does the topography of the seafloor give evidence for seafloor spreading?
3. How does seafloor spreading fit into the idea that continents move about on Earth’s
surface?