When can you hear the Doppler effect? -Which animal makes the loudest sound? -How can curtains stop an echo? Do It Yourself offers an exciting new approach to understanding and investigation. Each book helps you conduct your own experiments and activities to learn more about the world around you.
- What is cotton? - Where do we get cotton from? - Why is cotton useful? Each title in material takes a close look at an important material-what it is, where it comes from, whether it is natural or man-made, and what its properties are. The book also explains how we produce the material, how we use it, how we process it, and how it can be recycled.
- What is rubber? - Where do we get rubber from? - Why is rubber useful? Each title in materials takes a close look at an important material-what it is, where it comes from, whether it is natural or man-made, and what its properties are. The book also explains how we produce the material, how we use it, how we process it, and how it can be recycled.
The book is packed with special features, including: informative text and a helpful timeline. Colourful illustrations and diagrams.'