(SP) SCIENTIFIC EXPERIMENT

 FLYING CD

This is the scientific experiment chosen by the children.

You will need:

- CDs to recycle
- Bottles tops with special valves
- Balloons
- Permanent markers in different colours
- Glue

1.- Decorate your CD with permanent markers.

2.- Stick the bottle top in the center of the CD

3.- Blow the balloon and put it carefully on the closed bottle top.

4.- Open the bottle top pulling up the valve.You can see what happens in this video.