Group 4 Project

[Chirag]

Yea again back for help..:D Ok got this Group 4 project in which we have to choose a topic and a research question which includes all three areas of science.. I am in 11th grade so tell a topic according to that. My group has selected a topic regarding stains but we need to have options. So can you ppl suggest?

Remeber: A topic shld be in such a way that it shld include all three sciences.