Time
By: Casey Rand
Series: Measure it!
Publisher: Heinemann Library
Published: 2011
Place of publication: Chicago, Ill
Language: eng
Number of pages: 32
ISBN-13: 9781432937669; 9781432937720
Notes: Includes bibliographical references (p. 31) and index.
Table of contents: title: Introduction to measuring time; title: How is time divided?; title: Time zone maps; title: Why does a week have seven days?; title: What instruments are used to measure time?; title: Building a sundial; title: How much time had passed?; title: Becoming a master of time measurement; title: Is time travel possible?; title: When did dinosaurs live?; title: When did time happen?; title: Answers to your questions.