Lakeside Council: Salt, Plastic and the Drain

What students learn

• Assess the environmental and social impacts of using and disposing of road salt, microplastics and household hazardous products
• Use the particle theory to explain why dissolved chloride builds up in a lake while solid plastic bits can be filtered
• Choose actions that reduce the harm: brine before storms, plowing first, sand in deep cold, washer fibre filters, the hazardous waste depot