Year 4 pupils investigated how different liquids flow by comparing oil, honey, water, vinegar, washing-up liquid, paint, milk and cream. The children observed and compared the speed at which each liquid moved and discussed the reasons for any differences they noticed. They also considered how factors such as temperature might affect the flow of liquids and explored the idea that warmer liquids may flow more easily than colder ones. This practical investigation encouraged careful observation, scientific discussion and critical thinking.