Exploring science

Text and illuminative color diagrams describe the science of water waves, sound waves, light waves, radio waves, and earthquake waves.

Defines matter and discusses its changing molecular base. Provides information on solids, liquids, and gases and what makes them change.

Explains how electrical circuits work by harnessing electric energy into currents. Describes series and parallel circuits.

Introduces children to food webs, explaining how sunlight, plants, and animals are all connected in a system that nourishes every living thing on the planet.

Photographs, diagrams, and illustrations describe the functions of the major systems in the human body including the skeletal, muscular, circulatory, nervous, endocrine, respiratory, immune, digestive, urinary, and reproductive systems.

Compares genes to blueprints for a home, explains how genes pass traits from generation to generation through heredity, and discusses the breeding of plants and animals for specific traits, the role of genes in disease, and ethical issues in genetic science.

Presents an introduction to DNA, in simple text with illustrations, explaining its vital role in the cells of every organism, and providing information on molecular life, the gentic code, RNA, proteins, and more.

Presents a simple study on the physics of light and how light waves behave, and examines why stars twinkle, how telescopes and prisms work, and more.

Describes the causes and effects of the greenhouse effect and how it might be stopped.

An exploration of kinetic energy that discusses the energy of motion, atoms, waves, light, and global catastrophes. Includes a glossary and a list of resources.