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Pulleys pull their weight: simple machines for kids
Learn how simple machines make work easier in these colorful nonfiction picture books all about science and engineering! What if an elephant sat on your book and refused to move. How could you lift it? Very carefully! You might want to use a pulley. A pulley is one of six simple machines that are designed to make different kinds of work such as lifting, pulling, pushing easier. In Pulleys Pull Their Simple Machines for Kids , readers solve the problem of a heavy elephant by learning about forces and how we can increase the amount we can lift simply by using a pulley. Concepts including mechanical advantage, moveable pulleys, and compound pulleys make sense with engaging illustrations and lots of real-life examples that kids can spot in their home, schools, and neighborhoods. An introductory poem offers language arts connections while a hands-on activity at the end reinforces concepts in the book. A glossary and photographs offer even more supplemental learning opportunities.
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