You need a question.
You need to make a hypothesis based on this question.
You need to design an experiment to confirm or deny the hypothesis.
You need a list of procedures to carry out the hypothesis.
You need a list of your tools and materials used in the procedure.
You need to know how to interpret your results.
You need to publish them with a discussion about where errors occured and how to improve upon the experiment.
Wash, rinse, repeat.
i think best science project would be YOUR idea.
it depends on what is on. i would suggest to summarize everything your project is about in a few sentences. be sure to include why you searched what you did.
i think i know
You would bring your project.
water cycle
Sure would.
I would do a project about disposable diapers in landfills and how long it takes for them to biodegrade.
my answer would be a gauss rifle
Something about bacteria.
a good science fair project about energy is a water cycle and would be put in the Energy Awareness category
The best people to ask for help on a science project would be science teachers and professors at school. Depending on the complexity of the project, a family member or friend may be able to assist as well.
A science fair about that topic would be catorigized as physics.