scientific aPEEL
it depends what the projects thesis is
You can always start by growing crystals. You could go to unmuseum.org/lab.htm and find out how to grow crystals. Other science projects are on there too.Will M&M color dissolve faster in water...
a hypothesis allows you to base facts on what you think may happen and allows you to find out what will happen
A Hypothesis is a proposed explanation made on the basis of limited evidence as a starting point of an investigation.