time measurements

"Introduces activities young readers experience in a matter of hours, such as cooking a meal or watching a movie, while teaching ways to measure an hour and how it compares to minutes and days."--Provided by publisher.

"Introduces activities young readers experience in a matter of seconds, such as sneezing or picking a flower, while teaching ways to measure seconds and how they compare to minutes."--Provided by publisher.

"Introduces activities young readers experience in a matter of days, such as eating three meals or touring a city, while teaching ways to measure a day and how it compares to hours and weeks."--Provided by publisher.

Traces the history of measuring time, from the Stone Age to the twenty-first century.

Simple text and photographs introduce clocks, including the different types and the history of measuring seconds, minutes, and hours. Includes online content that contains weblinks, audio and video clips, activities, and other features.

Uses the scientific method and the NextGen science process to identify the fossils of an ancient mammoth--Publisher.

Trek and his friends do their daily activities, but they depend on what time the clock chimes.

Investigates the mathematics of time through a look at an ordinary day in the lives of cousins Tia, who lives in Mexico City, and Rod, who lives near Chicago. Looks at digital and analog clocks.

Introduces the concept of time through the correspondences of pen pals who describe to one another the events and traditions that take place where they live throughout the year. Includes related math activities.

Teddy Bear's activities illustrate the meaning of different time measurements, including clock time, days, months, seasons, and years.