6th grade science projects are not expected to be original; it is perfectly okay to do an experiment that has been done before. Some schools start doing science fairs in sixth grade, but they are not usually too competitive as their purpose is really to get the students interested. The judges simply want to see that you have put the effort into your project and made up a nice presentation for it. Still, there are endless ideas of topics you can pick.

One fun idea for 6th grade science projects is to see how well people can identify different smells when blind folded. This project is fairly simple. All you need is a blindfold and a few items with different smells. A few ideas might be vanilla, cinnamon, coffee beans, vinegar, and so on. There are many, many different things you can use. To do this project, you will need a volunteer or two. It would be a good idea to make up a chart in advance so you can record your results. Blindfold your volunteer and put each scent under their nose one at a time, and record whether or not they were able to identify what the scent was.

Originality is not the key factor here at this age. The judges just want to see that you are capable of performing an experiment on your own, writing up a report on it and presenting your finding in an organized, easy to understand way. There is absolutely nothing wrong with doing an experiment that has already been done, as long as you try to make it your own.

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