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Energy Transfer

Slide 24

Oil: Fossil Fuels

Fossil Fuels are made of thousands of years old dead plants and animals

They are buried under tons of Earth and the energy contained in the plants and animals is converted to oil.

Oil is then used to make gas for cars and other engines, including ones that create electricity!!!

Slide 25

Solar Panels

Are used to “collect” solar energy

Convert solar energy to electrical energy that can power household items, such as lamps or calculators

To understand how they work we must first understand what electricity is…

Slide 26

What is electricity?

Remember the structure of an atom?

Electricity is simply the flow of electrons!

Slide 27

Electricity

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WIRE

This happens millions of times to produce enough electricity to power

Our homes.

Slide 28

Photovoltaic Cells

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This happens millions of Times to produce electricity

Slide 29

Solar Oven Cup

Cut cup in half

Line inside bottom with black paper

Wrap piece of black construction paper with aluminum foil shiny side up

Make the foil into a cone insde top of cup

Place bottom inside the cone and tighten.