3c. Brainstorming Assignment for Your Classroom

1. After watching video 3a, please watch the video in 3b.  

2. You may wish to watch the videos again and enter some notes in your project journal.

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3. Think: If you lived in the time of Eratosthenes, how would you go about figuring out the circumference of Earth? 

4. With your entire class, have your teacher create a topic in the Brainstorming Assignment discussion board above for your classroom and post the steps you would use to find the  circumference of earth.