Human Impacts on Earth
5th Grade Science · 5 lessons
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Lessons
- 1Engineering Renewable EnergyRenewable resources like solar panels and wind turbines generate clean energy. Human innovation in engineering continues to make these technologies more efficient and affordable.Experiment
- 2What Is Technology?Technology is the application of scientific knowledge to solve practical problems. From simple tools to complex computers, technology shapes how humans interact with the world.Experiment
- 3Reading the Small Print on a Claim"Nine out of ten owners said their cats preferred it" hides the questions that matter: how many owners, chosen how, and preferred it to what? A claim without those details cannot be checked.Experiment
- 4Litter That Never LeavesAn apple core breaks down in weeks, a drinks can in decades, and a plastic bottle in centuries. Because the timescales differ so wildly, the same amount of litter causes very different amounts of long-term harm.Experiment
- 5Choosing What to MeasureDeciding what to measure is half the investigation. "Is this plant healthy?" cannot be answered directly, but height, leaf count and leaf colour can all be measured — and together they stand in for health.Experiment
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