Learn about the complex mechanics that come into the creation of simple machines. Discussed in the pages of this book are the six types of simple machines – screw, inclined plane, wedge, pulley, lever, wheel and axle. There will be detailed explanation of how each of these machines are created, and used to make work easier. This educational book is ideal for third graders.
关于作者
Baby Professor showcases a collection of subjects that are educational for kids to help them learn how to do something themselves, exactly how something is done or how it came about. Children love to learn through attractive visuals and Baby Prof. is ideal to get your child the head start he or she needs for the future. Our Motto – ‘Learning is Fun, so let’s Make it Fun to Learn’.
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