Exploring science

Describes the planet Earth from its molten core to its thin crust, and from its fiery origin millions of years ago to today. Includes do-it-yourself activities that show how much people rely on rocks, gems, and minerals in their day-to-day existence.

Discusses how each of your organs work within various systems to regulate your body's functions, an important job that is necessary for you to live.

Explains what minerals are, describes their elements and properties, and identifies ore minerals and minerals found in rocks.

Describes the structure and functions of plant cells; presents a look at plant reproduction, covering mitosis and meiosis; and explains how plant cells are studied.

An introduction to the periodic table that provides a brief history and explores the elements, how they are grouped, and their relationship with one another. Includes a glossary, trivia, and a list of resources.

Presents a short study of cells, how they work together to help the body to breathe, digest food, and heal injuries.

Explores many aspects of the plant world, including the structure, functions, reproduction, and growth of plants. Includes projects and experiments.

Discusses plant and animal habitats, greenhouses, adaptation, and air pollution damage. Includes activities and study questions.

Text and experiments explore various forces and their effect on the world, including friction, resistance, gravity, and movement.

Identifies some of the natural resources that exist in the world, describes the difference between renewable and nonrenewable as related to natural resources, discusses the need to conserve fossil fuels, and examines alternative energy sources.