This week , our students of third of ESO have to discover how a homemade projector works.

The experiment is about to make a projector by using a bulb with water as a lens and a cellular

phone.

We found this experiment on the Internet but, the main aim is to explain it by using the optic

laws we learnt in class.

What kid of lens do we have? Why if we move the mobile the image on the screen gets bigger

or smaller?...

Here you have some pictures of the making process

Eureka!!

 

experiment1

 

experiment2

 

experiment3

 

 

 

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radio

fons pantalla 01

 

blog angles primaria

blog angles infantil

escola vespertina 01

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