Детали книги
Формат
Kindle
Страницы
24
Язык
Английский
Опубликовано
Jan 1, 2014
Издатель
The Child's World
ISBN-10
1631431331
ISBN-13
9781631431333
Описание
Readers learn how this simple machine makes it easier to split things apart or stop them from moving. They learn how thicker wedges need more force to split something apart than thinner wedges. By the end of the book, readers know the difference between complex and simple machines and how wedges are used in everyday life to make work easier.