Includes index.
Includes glossary.
Includes bibliography.
This book discusses the measurement of time in seconds, minutes, hours, days, weeks, and years and presents experiments on how to measure the times it takes to blink, react to a signal, breathe, and run different distances.
4-8 Medialog, Inc.
Accelerated Reader AR Lower Grades 4.8 1 quiz: 86625 disk(s): Custom
There are no comments for this item.