The use of unsafe water as a source for drinking, cooking, and bathing can lead to serious health complications. Point of Use (POU) water treatment technologies can play an important role in making safe and clean drinking water available to communities. One low-cost, low-technology POU system is the biosand filter (BSF). BSFs offer an effective…

School science is often very different from "real world" science. One important difference, and possibly the main one, is that in school science the relationships between variables have often been sanitized -- essentially "cleaned up" -- so that there is very little (and often no) variation in the data from the relationship…

Setting primary science in an everyday context supports learning in a number of ways. Exploring the science associated with everyday people, places and materials helps to access pupils' prior knowledge and experience and thus facilitates a more constructivist and pupil-centred form of pedagogy. This account looks at various examples from the…

The challenges of contemporary society require pupils to make informed decisions and take responsible actions on problems related to science and technology. This work provides guidelines to support teachers in the design of learning scenarios that enable achievement of these goals. Two classroom examples based on contemporary news events explain…

Numerous American national committees have recommended the replacement of traditional labs with a more engaging curriculum that inspires inquiry and enhances scientific skills (examples include the President's Council of Advisors on Science and Technology (PCAST)'s Engage to Excel program and American Association for the Advancement of Science…