Continental Drift- The theory that state the continents are moving away from each other

1. Glacier marks-Explain

2. Fossils Explain

3. Fits like a puzzle piece

4. Plants Explain




1. Magnetic rocks found in the ground 
2. Magnetic Reversals









Seafloor Spreading- A process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.

1. Magnetic Rocks found in the seafloor

2. Magnetic Reversals.
Besides magnetic reversals how else did they prove the sea floor was spreading?