Students can understand ozone layer depletion and environmental protection through a simple school activity using an umbrella as a model of the ozone layer. The umbrella represents the protective ozone layer around Earth, while small gaps or holes made in the umbrella represent ozone depletion caused by harmful substances such as CFCs. Through this activity, students learn that the ozone layer protects life on Earth from harmful ultraviolet (UV) radiation and that reducing pollution, avoiding ozone-depleting substances, planting trees, and adopting eco-friendly practices can help protect our environment. This hands-on activity develops environmental awareness and encourages students to become responsible protectors of the Earth.