Without levers, we wouldnt be able to row a boat, move a wheelbarrow, or open a bottle. The book makes learning about the different kinds of levers easy and fun! Easy and fun exercises invite kids to make their own levers.
Inclined planes are used where you least expect it! Read all about inclined planes in this enthralling new book! See inclined planes at work in ramps and roller coasters, as well as their other applications and history.
Pulleys help make up some of the most complicated machinery, from car engines to cranes. See up-close the different pulleys that help us move things and get us moving. Kids will love this wonderful look at pulleys, especially the fun with pulleys section.
Screws are everywhere! They help keep buildings together and help us move and lift things. Come inside this book for a fun and fascinating look at this simple machine. Kids will love the fun with screws section.
Wedges are used to separate, lift, or hold things in place. Young readers will love reading about the history and uses of the wedge in this new title from Crabtree Publishing.
Children will be thrilled to learn about the many uses of wheels and axles, from doorknobs to the insides of a clock. Inviting design and photos makes wheels and axles fun to learn about for young readers. Kids will love the fun with wheels section of this wonderful new book.
Two small robots explore science and technology in their workshop. Enriched by amusing illustrations, witty texts, photos and information boxes, young children will learn the basics of the lever.