Publisher's Synopsis
Part of a series of information books for children in their first years at school. The series covers a wide range of subjects including science, maths, English and technology. There are ideas for activities throughout the books and suggestions which encourage discussion and exploration. A series of graded questions at the end of each book help the teacher or parent to gauge the level of understanding.;"Tools" explores some of the simple machines that help in a variety of industries and for a variety of tasks. Easy-to-understand examples of levers, pulleys, wedges, wheels and axles are given.
