註釋
What is time? --
How is time divided? --
Why does a week have 7 days? --
What do we use to measure time? --
How much time has passed? --
How do you master time? --
Is time travel possible? --
How do scientists measure when dinosaurs lived? --
Timeline of time --
Answers to You do the math.
Have you noticed that sometimes time seems to go by very quickly and other times it drags? Even though it may feel that way, time moves along at the same pace every day. This book explores the different ways we measure time and explains the concepts of seasons, daylight savings, and time zones.