2. The first vehicles were made from ............... and they floated on rivers and lakes.

3. About 5500 years ago, people invented the ............... and added it to sleds.

4. The wheel is one of the most important ........ in history.

5. Today, transportation can be done on water, land and in the .............

6. Egyptian traders sailed the first ships about 4500 years ago, on the river......

7. Ships became important for international ................ in goods like coffee, tea and spices.

8. Ships were powered by ................ in the 1850's.

9. Nowadays, we have large ships, such as freighters, supertankers and .......

10. The first train was built in the UK, in 1804 and its engine used ...... to heat the water.

In 1825, the first railroad system opened in the........

12. Nowadays, some high-speed trains can travel at more than ...... km/hour.

13. The first bicycles were made from.....

14. Modern bicycles are safer because they have ........ and the wheels are both the same size.

15. Bicycles are good because they don't produce ..............

16. The most famous bicycle ...... is the Tour de France.

17. Motorcycles have an engine, a strong metal frame and thick ............

18. Daimler and Benz, made the first car with a ..... engine in 1885.

19. The first car only had ............ wheels.

20. By the 1950's, American cars were large, because gasoline was cheap and people wanted to travel on ..... distances.

21. The .... is one of the fastest cars in the world (400km/hour)

22. The smallest car in the world is ....... (134cm longx99cm wide).