Grade 7 Project for Pure Substances and Mixtures What happens to the Pure Substances and Mixtures we Create? Research into one of the following issues and create a report. Assess positive and negative environmental impacts related to the disposal of pure substances and mixtures Sample issues: Household Toxic Wastes – batteries, paint, cleaners Why are they toxic? (what are they made of?) Why are they harmful to the environment? How can they be responsibly disposed of Sewage where does it come from where does it go? How is it treated? What is the impact to the environment? Pesticides Where are they used? Why are they harmful? What is the impact for the environment? What is a real life example of pesticides impact on the environment? How can they be properly disposed of Nuclear power what power is said to be clean energy, but the waste is not! Why is the waste so polluting? What is the impact on the environment? What is a real life example of nuclear waste escaping into the environment? Pick any 2 areas (example – Sewage and Pesticides) and answer the questions fully. Please do this on looseleaf or in your scribbler.