The world of water
This lesson provides pupils with an insight of the World Ocean, its inhabitants, explorers and threats. As a result of human activity and climate change, water acidification occurs, waste, microplastics, and other pollutants enter the water, which harms the animals and plants living there. Pupils will also learn about fresh water and salt water, and the need to save water so that there is enough for everyone. Pupils will have the opportunity to look critically at different water usage habits in order to understand the responsible use of water on a daily basis. The lesson provides also for practical activities, with pupils performing two experiments: observing the effect of an acidic environment (vinegar) on an egg shell (similar to the shells of corals and shellfish living in water) and building their own water treatment plant.