Continental drift the the movement of the continents over a long period of time.
Identify 4 evidences the helped prove the continents where moving and explain each one.
1. Fossils - Mesosaurus and other dinosaur fossils have been found on coasts opposite each other.
2. Coal - Coal from plants has been found in Antarctica. 3. Geologic Formations - the same type of rocks have been found on the opposite coasts of continents
4. Glacial Striations - scratches from glaciers have been found on rocks in warm places.
This is all well written and organized well.
Seafloor Spreading-Explain it.
Seafloor Spreading is the movement of the ocean floor. Proposed by Hess
Identify 2 evidences that helped prove the sea floor was growing and explain each one.
1. Magnetic Reversals - the metal particles in the lava pointed toward the polarity at that time.
2. Radiometric Dating - researchers took rock samples and aged them.
Good job explaining it. I also like your picture because it shows how the earth changed over time. It was also easy to understand, great job.
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