Where are the world's longest rivers located? How do oceans change the shape of the land? How do we measure the speed of a river's current? Readers will learn the answer to these questions and more.
Making a periscope, a rainbow, a sound cannon, and musical instruments can be both fun and educational as children explore the properties of light and sound.
FOR USE IN SCHOOLS AND LIBRARIES ONLY. Examines the composition and strength of materials, both solid and liquid, and features experiments, including chemical reactions.
The Kingfisher Young Discoverers Encyclopedia provides a hands-on approach to science and nature. Each subject area - geography, biology, science, and the environment - is presented in clear language with full-color illustrations and photographs. Safe, easy-to-do experiments and activities add an extra dimension to each subject, and allow children to practice what they've learned.
Energy and Power explains what energy is and how we use it. It covers our use of both renewable and non-renewable resources, as well as various forms of alternative energy. Activies include making a solar heater and building a simple waterwheel.
Pollution and Waste (Young Discovers) by Rosie Harlow and Sally MorganThis book provides an overview of the many varied sources of pollution -- from smog and acid rain to chemical pesticides and everyday litter. It also covers the greenhouse effect, the hole in the ozone layer, and water and noise pollution, and suggests ways of dealing with them.
Lowell Dingus, Rodolfo A. Coria, Luis M. Chiappe, Stephanie Abramowicz
Library Binding
(Twenty-First Century Books, Sept. 1, 2007)
Recounts the discovery of a dinosaur nesting field containing a large number of eggs, describing the field work done to classify them, calculate the period of prehistory they came from, and identify the reasons why many of them never hatched.
Making a periscope, a rainbow, a sound cannon, and musical instruments can be both fun and educational as children explore the properties of light and sound.