Notes
This book is a simple introduction to the concepts of speed, resistance, and friction, the different measurements of speed and distance, and machines that can increase speed, such as jet engines and rollerskates. It explores how these things are powered and the slowing effect of friction.Contents
Contents : how can I run; how do we measure speed; are four legs better than two legs; how can I go faster; why does our ball slow down; why do skis slide; how can I swim faster; why do some boats have sails; why do cars go fast; what makes trains go; why do planes roar; why does it go so fast; glossary; index;Additional Info
Introducing the Whiz Kids. Join this group of friends at the beginning of an adventure - discovering what an exciting world we live in. Each book includes fun experiments and things to make and do.
