Any good not commonly used Science Fair Projects?Need some ideas ASAP.
you can always a roller coaster that defines gravity!! im building a paper roller coaster in science for a gravity unit! its really fun and easy!
How about the effects of high co2 concentrations on the Ocean Environment? http://www.all-science-fair-projects.com/print_project_1082_28
Build a magnet. Then use it to make electricity.
Make a rocket with a soda bottle
Dont do surveys because even though they're easy, they dont really impress judges; only just to let you know :)