1. © Oxford University Press España S.A., 2012 Unit 2 Relief

2. What do we know?

3. The Earth’s structure What are the names of the Earth’s three layers? What is each layer made of?

4. Continents and oceans Which is the biggest and which is the smallest continent? Which is the biggest ocean?

5. Continental relief What forces formed the Earth’s relief? Which continental landforms can you see in this image?

6. Continental waters How are rivers created? What other types of continental waters are there?

7. Continental waters Which types of continental waters can you see in the image? What are the features of each type?

8. Coastal relief Which coastal landforms can you see in this image? What creates these landforms?

9. Relief on the ocean floor Which ocean-floor relief features can you see in this image? Which feature can be up to 3 600 m deep?

10. Volcanoes What is a volcano? What happens when a volcano erupts?

11. Earthquakes What is an earthquake? What happens when an earthquake happens at the bottom of the sea?

12. What have we learned? The Earth’s surface Continents Oceans The Earth’s structure The Earth consists of three layers Crust Mantle Core Asia, America, Africa, Antarctica, Europe and Oceania Pacific, Atlantic, Indian, Arctic, Southern Continental relief Continental waters Mountains, valleys, plateaus, plains Freshwater: rivers, glaciers, lakes, groundwater Land relief Saltwater: inland seas

13. What have we learned? Volcanic eruptions Earthquakes Natural hazards Coastal landforms and the ocean floor Coastal landforms and the ocean floor Coastal relief Relief of the ocean floor Beaches, capes, gulfs, cliffs Continental shelf, continental slope, abyssal plain, ocean trench, ocean ridges Volcanic eruptions Coastal landforms Relief on the ocean floor