Documents Natural Magnets Magnetite, Fe 3 O 4 (an oxide of iron) Ancient civilizations (Greek 590 BCE,...

PowerPoint Presentation MAGNETISM Lodestones Natural Magnets Magnetite, Fe3O4 (an oxide of iron) Ancient civilizations (Greek 590 BCE, Chinese 2600 BCE) realized that these…

Documents Protons for Breakfast Week 2 Light November 2011.

Protons for Breakfast Week 2 Light November 2011 In the event of an alarm sounding⦠Toilets⦠Parents and children⦠Last Weekâs talk The scale and size of the Universe…