Thomas Edison Index May 10, 2010 By Janice VanCleave Biography Information1. As a boy, why did Edison sit on goose eggs?2. Thomas Edison’s Childhood 3. Thomas Edison’s Family4. Thomas Edison’s Electric Lamp5. Thomas Edison’s Inventions Investigations 1. How does the shape of an egg affect its strength? 2. Eggshell Shape: Strength Activity3. Series Circuit: Open vs. Closed4. Bulbs in Series5. Electric Circuit: ParallelJancie VanCleave’s Science Through the AgesShare this:EmailTwitterFacebookGooglePrintNo related posts.