What is a good scientific question for my Lavender bath salt science project?

like my science fair project is coming up this month and i need a question to do an experiment on.What is a good scientific question for my Lavender bath salt science project?
These sites have or can point to lots of science fair project ideas:





http://www.sciencebuddies.org/





http://www.all-science-fair-projects.com…





http://www.ipl.org/div/projectguide/





http://school.discoveryeducation.com/sci…





http://www.picadome.fcps.net/lab/sci_fai…





http://www.scienceproject.com/





http://www.energyquest.ca.gov/projects/i…





http://www.freesciencefairproject.com/





http://www.hometrainingtools.com/article…





http://www.usc.edu/CSSF/Resources/Gettin…What is a good scientific question for my Lavender bath salt science project?
I found one very good site for science projects and ideas...it helped me a lot..i am very much impressed from their material..and also had some words with their owners.


You should also try this...


http://www.doitscience.com