Students use oral descriptions to pose questions, predict results and relay their observations. Students use oral descriptions to pose questions, predict results and relay their observations. Runoff or Recharge Using a model, students investigate the importance of vegetation in helping to fight against water erosion and the importance of microorganisms in recycling organic materials to maintain healthy soil. A comparison of asphalt, bare earth, and vegetation surfaces are compared and observed. Septic Sights Students can observe the coloured water trickle through the sewage pipes into the septic bed in a full size model of a septic system.
Students use oral descriptions to pose questions, predict results and relay their observations.
Simply Divine Meet our Dowser , also known as a Water Witch . Students will learn the secret to how they often found water by posing questions and using oral descriptions to relay their observations. There is a brief discussion of pH and how natural habitats must have water of a certain pH in order to support plant and animal life. Students use model lakes to see which lakes are healthy and which are too acidic, due to acid precipitation. They relay their observations using oral descriptions.