Автор:Janice VanCleave Год: 1996 Издание: [не указанo] Страниц: 240 ISBN: 9780471100867 When is a weed not a weed? How can a jackrabbit survive in the desert? Why is the climate cooler higher in the mountains? Now you can learn the answers to these and other questions about ecology. With the ideas and activities in Ecology for Every Kid, you?ll have fun exploring everything from your role in spreading plant seeds, to greenhouse gases? effect on the earth?s temperature. Use a raisin cookie, a pencil, and a toothpick to learn how a woodpecker gets its food. With uncooked rice and a sock, see how a mountain goat maintains its footing on rocky slopes. In other fascinating projects, you?ll find out how a cactus stores water, how fox–hunting affects tree growth, and much more. You?ll find most of the materials you need around the house or classroom. The book also contains many helpful diagrams and illustrations plus a glossary of bold–faced terms for you to refer to whenever necessary. Every activity has been pretested and can be performed safely and...
