Across
- 4. The man who came with the theory continental drift
- 5. The transfer of heat by the circular movement of fluid (gas of liquid)
- 6. The man who thought of sea floor spreading
- 7. A boundary that separates from each other
- 8. The layer of the earth we live on
- 9. The ocean floor separates and has a process called sea floor spreading
Down
- 1. A boundary that collides with two pates
- 2. The thickest Layer
- 3. A boundary that two plates slide by each other
- 8. The hottest layer