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Is a wheel the same as a gear? Will a square wheel work? Could a wheel roll forever? Discover the wonder and science of wheels in Gears Go, Wheels Roll.
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Mark Weakland wears many hats. As an author, he's written books for teachers, including Super Core!: Turbocharging Your Basal Reading Program with More Reading, Writing, and Word Work, published by the International Reading Association. His book topics for children include sports, bacteria, comets, and poetry. Mark's also a reading specialist. He teaches kindergarten children, third graders, parents, and teachers. As a musician and songwriter, Mark sings, plays percussion, and strums the guitar. Many of his songs, including "I Sure Love Pancakes" and "The Dooflicky Machine," have won national awards and contests. Mark lives in Western Pennsylvania.
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