jueves, 10 de marzo de 2016

Electricity

Sentences about electricity
  • Electricity is the flow of electrical power or charge.
  • Electricity travels at the speed of light more than 186,000 miles per second.
  • The electricity we use in our homes comes from a primary source like oil, nuclear power, coal, natural gas, the sun, or other natural sources.
  • Water and wind are other sources of energy, called mechanical energy.
  • We use electricity every day for heat, light and power.

    By Daniela C.

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