Mystery Black Box Magnet

Students infer something hidden from its effects. Ask students to predict what will happen. Move clip around box and ask students to map attraction. Key idea: Scientists often infer invisible structures from measurable effects. Ask: How can we learn about something we can't see? Safety and cleanup: Use large secure internal magnet. https://www.google.com/search?q=%22Mystery+Black+Box+Magnet%22+science+demonstration+experiment