A practical investigation saturated with interesting science, and one that has a thought-provoking environmental follow up activity.

National Curriculum Relevance

• taking measurements, using a range of scientific equipment, with increasing accuracy and precision, taking repeat readings when appropriate
• recording data and results of increasing complexity using scientific diagrams and labels, classification keys, tables, scatter graphs, bar and line graphs
• reporting and presenting findings from enquiries, including conclusions, causal relationships and explanations of and a degree of trust in results, in oral and written forms such as displays and other presentations

Learning objectives

Observe, measure and draw conclusions

Consider which type of nappies might be best for the environment