Wiggling Worms at Work

by Wendy Pfeffer

Published 23 December 2003
Crawling through the dirt, worms are hard at work, helping plants to grow. Worms help the fruit and vegetables we eat by loosening the soil and feeding the plants. Read and find out about these wiggling wonders!

Light Is All Around Us

by Wendy Pfeffer

Published 25 February 2014
An introduction to light and how it helps us to see profiles different kinds of light, including sunlight, firelight and electric light, and provides interactive experiments readers can perform at school or at home.