Project 1What a machine!!

Alejandra Alcácer

Celia Martínez

Javier Medina

3·B

Part 1: Discovery of electricity

0Electricity was not invented, it was allready in nature.0Benjamin Franklin discovered it.0 It was discovered in the year 1930.

0 It was found in Rome.

. The first aplication for electricity was the ligth bulb in the 1900’s.

. It was for give ligth. They need an electric battery.

The light of the lightbulb lasted for 1500 hours so 62 days

0 The first machine used by electricity it is the ligth

bulb.

.The energy of the light bulb it was from PETROLEUM, COAL and GAS.

Now we obtain energy from water , called hydroelectric power.

We also obtain energyfrom solar panels.