Mark Weakland
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The world is full of microscopic creatures. But who would have thought that we needed these tiny creatures to digest the food in our bodies or make the oxygen we need to breathe? Get out your microscope, and get ready to examine the microorganisms we can't live without.
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Two boys learn to be the heroes of their own adventure.
In pursuit of "the world's most awesome tree house," best friends Matt and Jerry spend the summer after sixth grade hauling wood up the hillside of their Pennsylvania hometown. The boys' freedom is tempered by trying to avoid the attention of Trio Diablo, a menacing gang of teenagers. Their summer soon changes when they venture into the hollow on the other side of the hill. The friends stumble...
16) What Is Light?
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We can see light. We know it makes plants grow. Light pours from the sun and from glowing light bulbs. But we can't touch it, or hold it. What is light? Learn about this science basic, and then get hands-on with an experiment that will light up the classroom.
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You probably use Wi-Fi all the time to connect to the internet through your laptop, tablet, or phone. It's easy. Wi-Fi hotspots surround you as you go through your day, from school to a pizza place or coffee shop and then back home. Not so long ago, the internet wasn't as accessible. Find out how Wi-Fi works, how it became commonplace, and what it might do for you in the future.
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Thomas Edison became a great American inventor and businessman. But do you know what he was like as a child? From exploring shipyards and pastures to feeding a girl worms, Thomas was a curious and creative child. This playful story of his childhood will help young readers connect with a historic figure and will inspire them to want to achieve greatness.
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Hey, hey, hey! Yogi Bear is searching for more than picnic baskets in this guide to animal tracks. Follow the smarter-than-the-average bear from the popular cartoon as he explores Jellystone Park. Engaging text narrated by Yogi, Boo Boo, and the rest of the Jellystone characters paired with colorful illustrations show what we can learn about animals from the tracks they leave behind.
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Astronaut Neil Armstrong couldn't be held down by Earth's gravity. As the first person to step foot on the moon, Neil took the US space program to new heights. But before he did that, he had humble boyhood jobs-cutting lawns, cleaning ovens, washing airplanes-and plenty of adventures, including building a wind tunnel in his parents' basement! This playful story shows young readers that not even the sky is the limit for their own dreams.