Lesson of the Day: ‘Get Ready for the New, Improved Second’ - The New York Times

In this lesson, students will learn how scientists have redefined the standard unit of time. Then, they will create a children’s book explaining different units.

Finally, share your definition with a partner or the class: Whose is most accurate and why? Read the featured article, then answer the following questions: 1. The article begins: Modern civilizatio… [+1425 chars]

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