how to make waste water purification working model for school science project exhibition
Introduction: In this project, we will create a simple working model to demonstrate a four-step wastewater purification process using basic materials such as cardboard, paper cups, pipes, gravels, sand, and cotton. The model will showcase the steps of physical filtration and basic water treatment. Materials Needed: Step-by-Step Explanation: Understanding the Process: This model demonstrates a … Read more