Explains the causes of changes in the weather, discussing such phenomena as sunshine, clouds, rain, snow, and storms and how they are observed and predicted.

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

Discusses water in its various forms, its importance in the natural world and in our health, and the water cycle.

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

Examines the five senses possessed by humans, how they are used, and how they compare to those of animals.

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

"Case studies and helpful advice for kids whose parents are getting divorced" --Provided by publisher.

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

"Case studies and helpful advice for kids who have experienced death of a close loved one"--Provided by publisher.