measurement

Introduces the different ways to measure matter, and the tools used.

"The mathematical concepts of distance and measuring distance are introduced as readers learn about a pirate, using math to find the distance between ships and treasures. Readers learn about the difference between metric and customary units of length, how to convert units, and how to compare distances. Includes a discover activity, art connection, and mathematical vocabulary introduction"--Provided by publisher.

"Simple rhyming text and color photographs present hours as a unit of time"--Provided by publisher.

Provides an overview of science tools and safety. Covers tools for observing and measuring and addresses safety tips for at home and at school. Includes a review of the scientific method and presents hands-on experiments.

A guide to measuring water quality that explains how to do nine water quality tests and calculate and assess the results; also includes sections on benthic macroinvertebrates, land use practices and education activities, and international rivers, and provides handouts, data sheets, and a case study of an education program.

A young person uses a travel journal and the skills of addition and subtraction to keep track of how much time his family spends at various attractions while visiting Chicago.

Paul J. Lioy, an American environmental scientist, discusses the dust that was released from the terrorist attacks on the World Trade Center in 2001, describing his scientific findings and the environmental impact of the dust, the government focus on asbestos, and suggestions to prepare for future incidents.

An introduction to time zones that explains why they exist, what daylight savings time does, and additional facts and history about time zones. Includes instructions for a related activity.

Easy-to-follow text teaches young readers about sounds, explaining how sounds are made, how they are processed by the ear, and why there are so many different types of sounds.

An illustrated introduction to wind and air pressure, discussing what they are, their impact on the weather, and the tools and techniques used to measure them.