Washing hands properly is important for health and preventing spread of germs. The document discusses how to wash hands effectively, noting that hands should be washed with soap and water for at least 20 seconds, including between fingers and under nails. Various activities are outlined to teach hand washing techniques to students, including a video, drawing, game, and glitter experiment demonstrating how germs spread without washing. The goal is to help students understand why hand washing is vital for keeping their bodies healthy.