تفاصيل الكتاب
تنسيق
كيندل
صفحات
24
لغة
الإنجليزية
منشور
Jan 1, 2014
الناشر
The Child's World
رقم ISBN-10
163143134X
رقم ISBN-13
9781631431340
الوصف
Readers learn how this simple machine makes it easier to move things from one place to another. They also learn a wheel works with an axle. By the end of the book, readers know the difference between complex and simple machines and how wheels are used in everyday life to make work easier.