Tell about the need to care for every aspect of the natural world.'
An introduction to rocks and minerals'
Rocks and mineral have been around a long, long time. Our earth's crust is covered by more than 3,500 different types of minerals. In some places, this crust of minerals is more than 40 miles thick! Journey into the fascinating world of rocks and mineral
Sound introduces the young reader to the principles of sound: how it is created, the speed of sound, musical sound, sounds in nature, and hearing. Step-by-step projects explain how to make your own panpipes, how to make a model ear, and even how to measure the speed of sound.
The Science Discovery series provides younger readers with an exiting and practical way to learn about science. Each book concentrates on two scientific topics which are explained through lively facts and activities. Realistic, high quality illustrations