It's science

"Describes what weather is, how it affects humans, tools to analyze weather, and different climates around the world. Also describes the water cycle. Includes hands-on activities"--Provided by publisher.

Basic text and suggested activities illustrate the nature of light and various optical principles.

Uses familiar objects to introduce the concepts of sound and hearing, suggests activities to prove or explore a point, and asks questions requiring further study.

An interactive approach which introduces the concept of force as something that pushes or pulls and includes a discussion of such forces as gravity, wind, magnetism, weight, and water.

Discusses the elements that make plants grow, the structure of flowering plants, and the way they reproduce. Includes experiments and activities to demonstrate the principles in the text.

Uses simple experiments to demonstrate the properties of air and the principles of flight in animals or through machines.

Considers the ways humans change from birth through adulthood and compares human growth with that of animals.

An interactive approach introducing the concept of energy as found in food, sun, wind, water, and other sources and as used for nutrition, warmth, and motion.

Explores different kinds of environments that are homes to various animals and plants and examines why living organisms live where they do.

Examines various simple machines and how they are used to make work easier and provides activities using wheels, levers, pulleys, screws, and more.

Presents information about the properties of solids, liquids, and gases, using observation and activities.

Examines the variety of animals in the world, grouping them as mammals, birds, reptiles, amphibians, fish, insects, and those with soft bodies and shells.

Basic text and suggested activities illustrate how the human body works and how to take care of it.

Discusses the different aspects of time and how it is measured, including days and nights, years, calendars, and clocks. Provides suggestions for related activities.