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Publisher Description

What do a doorstop, a butter knife, and the front of a boat have in common? All of them are wedges! Wedges are simple machines. They help us to do jobs more easily. But don't take our word for it. Put wedges to the test with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science question?How Do Simple Machines Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!

GENRE
Kids & Young Adults
NARRATOR
LP
Lerner Publishing
LENGTH
00:14
hr min
RELEASED
2012
January 1
PUBLISHER
Lerner
LANGUAGE
EN
English
SIZE
7.3
MB