Question

Fill in the blank (1 point each): 1. The upper mantle and crust together form the __________________________. 2. The _____________________________ is part of the mantle where the rock is almost at its melting point and flows under pressure. 3. The transfer of heat by the circulation or movement of the heated parts of a liquid or gas is known as ____________________________. 4. The name of the supercontinent proposed by Alfred Wegener in his theory of continental drift: ________________________________. 5. List two of the three types of evidence supporting Wegener’s theory of continental drift (1 point per answer):

Answer 1

1. lithosphere 2. asthenosphere 3. convection 4. pangaea 5. identical rocks were found on both sides of the Atlantic ocean. ancient fossils of the same species of extinct plants and animals are found in rocks of the same age but are on continents that are now widely separated