1. ORIGIN OF EARTH’S MAGNETIC FIELDS Lesson 3

2. D ESCRIBE THE EVIDENCE WEGENER USED TO SUPPORT HIS CONTINENTAL DRIFT IDEA :

3. D ESCRIBE THE PROCESS OF SEAFLOOR SPREADING :

4. H OW DOES THE THEORY OF TECTONICS EXPLAIN THE LOCATIONS OF VOLCANOES, EARTHQUAKES AND MOUNTAIN BELTS ON EARTH ?

5. D ESCRIBE THE PLATE TECTONICS THEORY :

6. D ESCRIBE HOW THE NORTH MAGNETIC POLE APPEARED TO MOVE, AND HOW THAT IS EVIDENCE FOR THE CONTINENTAL DRIFT :

7. D ESCRIBE THE THREE TYPES OF PLATE BOUNDARIES :

8. D ESCRIBE A FAULT :

9. W HAT IS THE SUBDUCTION ?

10. C ONSIDERING THE DIFFERENT TYPES OF PLATE BOUNDARIES, EXPLAIN THE REASON WHY THE CONTINENTAL CRUST IS MUCH THICKER THAN THE OCEANIC CRUST

11. D ESCRIBE THIS PICTURE :

12. COMPARE THE LAYERS OF THE EARTH FROM ITS CHEMICAL AND PHYSICAL STRUCTURE

13. T HE CONVECTION CELLS IN THE MANTLE :

14. DESCRIBE THIS PICTURE:

15. COMPARE AND DESCRIBE THESE FIGURES:

16. DESCRIBE THE DIFFERENCES AMONG THE DIFFERENT LAYERS OF THE EARTH:

17. M AGNETIC F IELDS //www.youtube.com/watch?v=O-V3yR2RZUE