Lightning bolt books. Exploring physical science

Photographs and text provide a scientific introduction to light, explaining what light is, where it comes from, and how it travels.

Photographs and text provide a scientific introduction to heat, explaining what heat is, how it is made and measured, and the important balance between hot and cold for living things.

Explains the basic properties of matter through looking at everyday experiences and direct observation.

An introduction to matter that defines what it is, describes its properties and forms, and includes a related activity.

An introduction to density that explains how it determines whether objects float or sink and discusses how people use floating and sinking in their lives.

An introduction to forces that discusses pushes, pulls, motion, direction, speed, and friction, and provides everyday examples and instructions for an activity.

An introduction to motion that discusses force, gravity, speed, direction, and other related topics, and provides everyday examples and instructions for an activity.

Describes what friction is and how it affects different objects.

An introduction to electricity that defines what it is; discusses static and current electricity, sources, and uses; and includes a related activity.

Defines what a magnet is, what metals they attract, and explains how they work. Describes magnetic force, poles, and the earth's magnetic forces and includes information about how we use magnets. Includes an experimental activity, color photos, a glossary, and an index.