WHILE-LISTENING. Watch the video and answer the following questions:

Watch the video and answer the following questions:

5. What is the sunlight made of?

6. What are these ‘packets of energy’ called?

7. What does a solar panel consist of?

8. What material is used in solar panels?

9. How is an individual cell designed?

10. Why are those layers needed?

11. What helps electrons to move from a panel to a bulb?

12. What is ‘the flow of electrons’?

13. What are the examples of usage of solar panels shown in the track?

POST-LISTENING

14. Think of some other ways of possible usage of solar panels.

AN ECO-RADIO

(00:44)

PRE-LISTENING

1. What does ‘eco’ mean?

WHILE-LISTENING

Watch the video and answer the following questions:

2. What powers this unit?

3. What does this unit do?

POST-LISTENING

4. Where can we use this unit? Would you like to have one?

A WIND-UP RADIO

(01:29)

PRE-LISTENING

1. What does ‘a wind-up radio’ mean?

WHILE-LISTENING

Watch the video and answer the following questions:

2. What can power this radio?

3. What are the elements of this radio? Where are they situated?

POST-LISTENING

4. Where can we use this radio? Would you like to have one?

TREVOR BAYLIS ECO-MEDIA PLAYER

(01:37)

PRE-LISTENING

1. Who is Trevor Baylis?

2. What is he famous for?

3. What does ‘eco’ mean?

4. What does ‘media player’ mean?