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Tell The World

You’ve only been in Spark Club for about seven weeks, but you have already learned a lot about green energy. You’ve learned

why green energy is important. You’ve learned about climate change. You’ve learned that sunlight can be broken up into many different colors and that there is light that’s visible to people, and light that’s invisible.You’ve learned how photovoltaic (or PV) cells generate an electrical current when sunlight hits them.

Man, you are smart!

Now we’ll take a week to � gure out how to teach this stuff to other people at the big Earth Day Expo on the National

Mall in Washington, DC next weekend. We will have an area where you can talk to people one-on-one and show them what you’ve done. And we’ll have a small stage where you can talk to a bunch of people through a microphone. We will also

UNIT 8

Journal Entry #37

After the Earth Day Energy Expo, write down what you did at the expo to tell people about green energy.

How did it go?

How many people did you talk with?

What did you think of the Energy Expo?

Journal Entry #35Write down � ve interesting things you’ve learned so far in Spark Club.

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Journal Entry #36: HOT TOPICSIn your journal, write down � ve interesting green energy topics. Like “How the sun makes wind” or “How to turn wind into electricity.”

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About Earth Day

Earth Day started on April 22, 1970, as a way for people to show their support for protecting the

land, air and water. There are celebrations all over the world, involving millions of people. Some of the biggest Earth Day events happen in Washington, DC.

The US Environmental Protection Agency—which is the government bureau in charge of environmental issues—will have a big section of the Mall all to itself, and that’s where the Spark Club area will be.

It’s called the National Sustainable Design Expo and it features college students who won a contest called the P3 Award Competition. P3 stands for People, Prosperity, and the Planet, and it’s all about coming up with ways to generate energy, clean water and food that don’t rely on fossil fuels and other power sources that cause pollution and will eventually run out. You will meet these college students when you are at the exhibit tent.