9781422283356

WORDS TO UNDERSTAND

astrology —a belief in the power of the stars and planets to influence people’s lives.

astronomy —the study of everything that lies beyond the Earth’s atmosphere.

RESEARCH PROJECT Find out about the Antikythera mechanism, an ancient device invented by an unknown Greek astronomer that could be used to predict the positions of stars and planets. Write a two-page report about the Antikythera mechanism and present it to your class.

TEXT-DEPENDENT QUESTIONS

1. What did ancient humans use to keep time? 2. What is a barrow?

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