Project 12

Project 1What a machine!!

Alejandra Alcácer

Celia Martínez

Javier Medina

3·B

Part 1: Discovery of electricity

0Electricity was by nature.

0In 1752.

0In Philadelphia.

Benjamin Franklin. 1752: electricity

Thomas Alva Edison.1879: light bulb

Alessando Volta1800: volcanic pile

Before this….

The Greeks Discovered Static Electricity.

Two copperfilaments.

First application:

First application

The ligth bulb.

Ligth bulb used for give ligth.

For days.

Used an electric battery

720 hours.

First machine ligth bulb.

First electric machine.

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

Obtain ENERGYfrom WATER, called hydroelectric power.

We also obtain ENERGY from SOLAR PANELS.

http://es.wikipedia.org/wiki/Alessandro_Voltahttp://es.wikipedia.org/wiki/Benjamin_Franklinhttp://es.wikipedia.org/wiki/Thomas_Alva_Edisonhttp://en.wikipedia.org/wiki/Electricityhttp://science.howstuffworks.com/electricity.htmhttp://science.howstuffworks.com/electricity.htmhttp://www.energyilluminated.com/timeline_of_home_electricity_use