Tornado (Form 10)

What is a TORNADO and why is it so DANGEROUS?

Watch the video. Complete the sentences:
1. Extreme weather is ... .
2. A tornado is ... .
3. A tornado is also called a ... . Why?
4. Tornadoes are formed ... .
5. A tornado is one ... .
6. A tornado is stronger than ... .
7. The usual speed of a tornado is ... .
8. It is strong enough to ... .
9. A tornado can last ... .
10. They usually happen (where and when) ... .
11. Meteorologists study tornadoes because they are ... .
12. Storm chasers ... .
13. Write a tornado warning : ..., ..., ... .
14. The more we know about a tornado ... .