1. A ______ is a large body of saltwater that covers most of the Earth’s surface.

2. A ______ is a landform that rises sharply above the surrounding terrain.

3. The ______ is a large body of fresh water located in North America.

4. A ______ is a large, flat area of land with few trees.

5. The ______ is the process by which a river forms a new course and leaves behind a lake.

6. A ______ is an area of land surrounded by water on three sides.

7. The ______ is the smallest continent by land area.

8. A ______ is a large, flat-topped hill with steep sides.

9. The ______ is a major mountain range in South America.

10. The ______ is a famous waterfall located on the border of Canada and the USA.

11. The ______ is the highest mountain peak in the world.

12. The ______ is the largest desert in the world.

13. The ______ is the longest river in the world.

14. The ______ is a large island located in the Indian Ocean.

15. A ______ is a narrow strip of land connecting two larger landmasses.

16. The ______ is a country known for its kangaroos and koalas.

17. A ______ is an extensive forest area that receives a lot of rainfall.

18. The ______ is a region characterized by very cold temperatures and ice.