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.