Task sheet 3.

1.3

We are using the metal aluminium because it is weather resistant flexible and light. and is also easy to shape into a box. it is also very easy to work with.
We are using silicon because it is a semi conductor and we are working with a series of light.

1.1

The material are both a form of metals, Aluminium is also weather resistant, malleable and very easy to work wih, Silicone is a semi conductor.