This book is part of a book series called Inside Science-Physical Science .

This book has been graded for interest at 8-12 years.

There are 24 pages in this book. This book was published 2003 by Creative Teaching Press .

Maria Gill, ex Primary teacher and full-time author, writes children's books about birds and conservation for children. See more about Maria and her books on her website www. mariagill. co. nz.