McKinney Library Kid's Catalog

Describes the concept of time and how it has been measured throughout history, using water clocks, sundials, calendars, and atomic vibrations.

Explains what day and night are, how they relate to telling time and date, and presents some of the things that happen or may be seen at different times of the day.

Presents an introduction to the concept of telling time, in simple text with illustrations, including a list of activities that are specific to different times of day, such as lunch, school, and bed.

This illustrated book clearly explains the concepts of space and time individually in order for readers to be able to understand Einstein's theory of relativity.

Simple Spanish text and activities explain the nature of time, its importance, and its measurement, exploring days of the week, seasons, months of the year, the concepts of past, present, and future, and more.

"For thousands of years, mankind has been fascinated with the science of measuring time. Even our earliest ancestors needed to know how long the daylight would last, and how long it would be before the buffalo returned. This book tells the story of our obsession with time, and our increasingly accurate ways of measuring it."--Back cover.

"Follow a group of friends as they discover when it is time for meals and activities using a clock with a face as well as a digital clock"--

America's most celebrated astrophysicist invites young readers to explore the mysteries of the universe.