This book is intended to help students prepare their GCSE examination in physics. It is not intended to replace a textbook but to supplement it. It is written to help students revise and prepare for an examination and assumes that they have completed a GCSE course. It is suggested that if there are topics that have not been studied the student should refer to a good textbook and carefully read and make notes on the relevant chapter. This edition has been updated to include new curriculum material on environmental issues, alternative sources of energy, and scientific investigation.

This text provides ideal revision opportunit ies with the inclusion of comprehensive questions at the end of each section, along with answers to encourage self-asses sment. '

This comprehensive encyclopedia is a subject-specific guide to concepts, theories, discoveries, pioneers and issues that meets the information need for core science studies. It includes approximately 1,000 entries and 350 photographs and illustrations with attention given to women, minorities and lesser-known scientists.

Explains essential facts about light and dark, including natural and artificial light, color, and reflection. Includes experiments.

Explains essential facts about forces and movement, including gravity, friction, pressure, and simple machines. Includes experiments.