Today we will create a model to represent a seafloor that is expanding as new rock is being pushed up from the mantle.
If you missed class watch this video: Seafloor Spreading
Answer the questions on the back of the activity sheet.
Fossils, and Glaciers
Glaciers once covered areas that today are very warm. These large sheets of ice carved out the landscape on these continents.
Fossils of prehistoric plants and animals have been found on continents that today are separated by oceans.
