Hewitt, Sally

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.

Introduction to the brain and its many functions within the human body, including how it helps us breathe, move, sense, learn, and remember.

Introduction to bones, their functions in the human body, and how they help us move.

Introduces vocabulary words that are related to living things, and features a story about a family who takes care of their vacationing friend's pets and plants.

Presents an introduction to the changing world of nature throughout the seasons, and includes step-by-step instructions for a selection of related projects and activities.

Easy-to-follow text and simple projects introduce children to the history of the Vikings, providing information on their ships, weapons, clothing, homes, and historical impact.

Provides instructions for a variety of experiments which demonstrate the properties of light.

Describes the geography of coastal areas, the impact humans have on them, and the conservation of them. Includes hands-on activities.

Describes how humans affect the Earth's geography, discussing pollution and climate change, and explaining ways for people to take better care of the planet. Includes instructions for related activities.