This resource explains non-renewable energy as a limited energy source that cannot be replaced once used. It covers different types like coal, petroleum, natural gas, and nuclear energy, showing how they are formed, used, and their impact on the environment. It also asks simple questions to help students think and learn about why we should reduce the use of non-renewable energy. With easy explanations and pictures, this resource helps us understand why we need to switch to renewable energy for a better future.