Experiment to show how to take advantage of solar energy

2. Use two pizza boxes: one big and one small

3. And some old newspapers or magazines

4. We put the small box inside the big one

5. And fill the spare space with paper

7. Then we glue some stripes of card to cover the old papers

8. You must hold for a while

9. Finally you wrap all with aluminium foil and put it in the sun

10. AND HOME MADE COOKIES

11. You need one egg, 150 gr of butter, 250 gr of flour and 150 gr of sugar

12. First you break the egg

13. Then you beat it

14. You mix the butter with the egg

15. Add the sugar

16. Then the flour

17. You mix everything

18. Knead until you get a ball

19. Make your favourite shapes with the dough

20. Put the cookies in the solar oven

21. Cover with plastic to get a greenhouse effect and put the oven in a sunny place