Multiple choice

The Egyptians predicted the flooding of the River by watching the ____.

  1. butterflies

  2. stars

  3. sun

  4. birds

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The ancient Egyptians noticed that the annual flooding of the Nile coincided with the heliacal rising of Sirius, the brightest star in the night sky. This astronomical observation allowed them to predict the flood season and develop their calendar.