Thomas Edison Index May 10, 2010 By Janice VanCleave Biography Information 1. As a boy, why did Edison sit on goose eggs? 2. Thomas Edison’s Childhood 3. Thomas Edison’s Family 4. Thomas Edison’s Electric Lamp 5. Thomas Edison’s Inventions Investigations 1. How does the shape of an egg affect its strength? 2. Eggshell Shape: Strength Activity 3. Series Circuit: Open vs. Closed 4. Bulbs in Series 5. Electric Circuit: Parallel Jancie VanCleave’s Science Through the Ages Share this:TwitterFacebookGooglePrint No related posts.