Introduction - Part one

1/        Watch the first part of the video twice (“introduction - part one.wmv”).

       Fill in the blanks while and after listening. (one blank = one word)

You may have been driving through the countryside and suddenly come up on something like a ______ ________ with big _______ __________ at the top rotating and you wonder what it is: it is a _______ _________.

The purpose of this is to __________ ___________ and they tend to be extremely big so you see them in the distance, but when you get close to them, they are very big.

The other problem with them is they do produce __________, so be careful, but it's ________ __________. Many people find it very ___________ the _______ these things make as these __________ ________ past you. So be aware of that.

All it is, is basically a tall, concrete, stress __________ _______ and on top of it, is a generator, an __________ ___________. The electric generator is very simple, it can be ___________ right on the top of here and it ___ _______ directly by the ____ blade.

2/        What are the main components of a wind turbine ?

3/        Point them out on the picture below.

4/        What is the goal of the wind turbine?

5/        What kind of environmental impact does the system create?

6/        How does the electric generator move?

Created with the Personal Edition of HelpNDoc: Free EPub producer