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Electricity lights our homes. It runs our computers. It powers our machines. Electricity can be created without harming the planet. This is called green energy. Learn about four sources of green energy. Running Water This is a dam. Water rushes…
We can learn about the world around us by taking measurements. Different tools help us make different kinds of measurements. Here are a few tools for measuring. Thermometer A thermometer measures temperature. It tells us how hot or cold something…
Companies are making cars that fly. Would you like to ride in one? These machines don’t need pilots or drivers. They help people get away from traffic. They are quieter than helicopters. Find out about them. A Flying Taxi This…
Inventors create or build new things to help make our lives better. Take a look at five cool new inventions. Which is your favorite? A Special Sweet Potato Kids in parts of Africa don’t get enough vitamin A. It is…
When the weather is cold, people love to visit Saint Paul, Minnesota. The city has a giant winter festival. The festival has been taking place each year for more than 100 years. Everyone is invited to join the fun. There…
A new bridge is being built in New York. It will cross the Hudson River. This is the biggest bridge project in the state’s history. The bridge will open in 2018. Read about how it is being built. A Team…
