Although international school systems and resources can differ from those in the UK, it is always useful to have an informed worldview of practice in primary science. The COVID-19 pandemic has inevitably changed the ways in which pupils around the world have access to knowledge. Furthermore, it has changed the ways in which teachers globally deliver their lessons, especially those who teach natural sciences. Recently, online distance learning strategies to teach the concept of density in physics to 10- to 11 year-olds using filmed experiments were investigated at the Aristotle University in Thessaloniki.