What's the effect of osmosis on a raisin? How is water transported through plant stems? What's the best way to grow penicillin? How are butterflies different from moths? Learn how to talk with fireflies, watch bacteria wage war in a glass of milk, discover how to tell the temperature by counting cricket chirps, and find out how an apple and an onion can taste the same. Each of the 101 experiments is broken down into its purpose, a list of materials, step-by-step instructions, expected results, and an easy to understand explanation. Every activity has been pretested and can be performed safely and inexpensively in the classroom or at home. Softcover, 240 pages.