Pinna, Simon de

Introduces the basic components of matter, describes the difference between acids and bases, explores the workings of chemical reactions and reactivity, and discusses naturally occurring chemicals.

Photographs, illustrations, and diagrams describe the properties of energy; and explain concepts such as kinetic and potential energy, chain reactions, energy pyramid, and power grid, along with various ways that plants and animals use energy.

Introduces the basic concept of electricity through simple experiments that can be performed at home or at school.

Introduces the concept of sound and its properties through brief explanations followed by simple science experiments.

Explains the concepts of force and motion through experiments which can be performed at home.