Tamra Orr

Discusses the meaning and use of the scientific method and then offers six experiments dealing with weather like when we need rain and when we need to get out of nasty weather such as a serious thunderstorm.

A young boy learns the science behind snow. Discusses forecasts, weather advisories, blizzards, and avalanches. Features color photographs, an activity, a glossary, and a list of additional resources.

Explains for students the history of the United States census explaining how and why it exists. Includes photographs and fact-boxes.

Explores the causes and effects of tornadoes, including how fast tornadic winds can blow and the amount of damage they can wreak on buildings and lands.

Presents six experiments on the circulatory system for young scientists to try. Each experiment includes background information, a materials list, and step-by-step instructions.

Draws on the Next Generation Science Standards to learn how meteorites are identified. Follows two girls as they investigate whether or not the rock they found is a meteorite. Includes color photographs, a glossary, and further resources.

Presents information about what falling stars are and how and why we can see them from Earth. Includes color photographs, a glossary, and a list of additional resources.

A collection of six experiments related to the digestive process for young scientists. Provides background information, a list of materials, and step-by-step instructions for each experiment.

Explains the causes and effects of tsunamis, and describes the worst tsunamis in history. Also discusses predicting and surviving tsunamis. Includes real-world math activities related to tsunamis, a glossary, and further resources.

Explains lighthouses to young readers through easy-to-understand text and color photographs. Includes a glossary and a list of resources.