TeachEngineering: The Plastisphere (microplastics and wastewater treatment)
A grade 9–12 lesson with three hands-on labs: microbead extraction, a mini wastewater plant and fluorescent plastic tracing.
Experiment
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Cool.org: Blue — Plastic Not So Fantastic (Years 5–6)
An Australian Curriculum v9 lesson for Years 5–6 with printables, experiments and video, built around the documentary Blue.
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Science fair: Which shopping bag is strongest per gram? (ages 10–16)
A fair-test experiment comparing failure load and load-per-gram for five bag types, linked to published reuse break-even data.
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Science fair: How many fibres come off our clothes in a wash? (ages 11–16)
A two-session experiment capturing laundry microfibres on filter paper and comparing fabrics or wash settings.
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Science fair: What happens to plastic, paper and ‘compostable’ packaging over eight weeks? (ages 10–16)
An eight-week degradation trial in soil, water, sunlight and dark, with a photo log and an honest discussion of the ‘450 years’ myth.