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Examines energy in its different forms, discussing heat and temperature, changes of energy, alternative energy, and the role of energy in supporting life.
Gr 2-4
Designed for newly independent readers, this series introduces each topic through brief sentences, large type, and short paragraphs. Overall, the presentation is clear, utilizing as it does a large format and easy-to-read type. The captioned photographs, spot illustrations, and diagrams correlate well to the topic but are sometimes inadequately labeled. Four experiments in each book demonstrate the principle under discussion. The supplies are mostly household items, and the steps are adequately illustrated. However, at times the vocabulary used and the difficulty of the activities are either overly simple or unnecessarily difficult. Web sites are included for students and teachers but their usefulness is uneven.
What is energy 4
Forms of energy 6
Energy Changes 8
Try This . . . Stored Energy 10
Heat Energy 12
Losing Energy 14
Try This . . . Convection Current 16
Energy Sources 18
Making Electricity 20
Try This . . . Generating Electricity 22
Renewable Energy 24
Try This . . . Catching Radiation 26
Energy for Life 28
Words to Remember 30
Index 32
Web finder 32
Overview
Examines energy in its different forms, discussing heat and temperature, changes of energy, alternative energy, and the role of energy in supporting life.