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9th Grade Science Projects


9th grade science projects are more complicated and involved than elementary school science projects and it’s because of this that the teachers usually should give a lot more time to complete them, and of course expect more out of them. They also have to look more professional, and most teachers will have a display of the project on a backboard.

I recommend these printable science project plans for K-12 for hundreds of great project blueprints and this step-by-step guide for doing an award winning science fair project. Also be sure to check out these fun science kits as a fast, simple way to get started on your science experiment.

It can be tough to decided what sort of project to do, especially because the student will likely be competing against people older than you. Don’t let that discourage the students though, with a well planned experiment you can still excel over them. It’s imperative to choose a topic that interests you because if you don’t it will definitely show in your work.

Materials Needed:

  • Several Different Brands of Teeth Whitener
  • 4 Containers
  • A Few Volunteers
  • Digital Camera


Whitening Teeth For Truth
Experiment: Do teeth whiteners really work? Which brand works best?
Category: Chemistry
Ages: High School

One 9th grade science fair project you might consider is finding out if teeth whiteners really work, and which brand works best. This is a great topic because it’s dealing with current issues, everyone seems to want whiter teeth these days, and also because it’s fairly simple to research. Basically all you need is a few different brands of teeth whiteners and some volunteers to test them out on. Make sure you get a head start on your project because if you leave it until the last minute you won’t have time to conduct the tests.

Most teeth whitening products claim to whiten your teeth over a few weeks, but say you’ll see results in a matter of days. Be sure to record your results every day or every other day, and take pictures of the progress. Don’t forget to take a before shot of your volunteers teeth.

Where would you like to go next?

...See more of our free science experiments by age group, science type, or an alphabetical listing of all experiments?

...Download printable science project plans for K-12?

...Get step-by-step instructions on how to do an award winning science fair project?

...Or pick up science kits for your project?


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9th Grade Science Projects Page


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