Continental Drift and Tectonic Theory

1. Thinking Map—Earth’s
Tectonic Plates
GLUE WORKSHEET ONTO 15R
15R

2. Wegner’s Observations and Theory

3. Wegner’s Observations and Theory
Wegner’s Observation
The continents looked like puzzle pieces
that could fit together. Maybe long time
ago, these land masses were all one
continent…

4. Wegner’s Observations and Theory
Theory of Continental Drift
An explanation that states continents
moved slowly across Earth’s surface over
long periods of time.

5. Try arranging pieces to how the
world is now:

6. Arrange what Pangea looked like:

7. Wegner’s Observations and Theory
Evidences
1. Fossils and Climate
2. Earthquake Locations
3. Midocean Ridges
4. Mountain Ranges and Glaciers

8. Wegner’s Observations and Theory
Theory of Plate Tectonics
Explanation for continental drift Earth’s
crust divided into “plates” that can
move