Science fair projects are sooo fun! And don’t have to be complicated. Kids Activities Blog knows that sometimes the simplest science projects are the ones that lead to the most learning…and the best science fair prizes!

Good science fair projects are simple and create that “I wish I would have thought of that” feeling!

Crush your next science fair with these ideas for projects that are filled with fun and wonder.

Check out our top 50 science fair projects article <–click here!

Best science fair projects for 7th and 8th graders - Kids Activities Blog - boy and girl looking at machine at science fair
We love the science fair because it is like a fair for curiosity!

Good Science Projects for 7th & 8th Graders

  • Simple science experiments where the results can easily be shown make the best science fair projects. Remember, it isn’t just about creating a complicated experiment…it is about being able to show what you learned.
  • Popular science fair projects topics: behavior science, environmental science, geology, engineering, life science, electricity, biotechnology, math, computer science, and of course one of our favorites here at Kids Activities Blog…physical science.
  • Students should choose something they are interested in since they will be looking at it from many angles and then explaining it to others.

A Great Science Poster Board

  • A good, clear science experiment with results will make the best science fair poster board. Look at vintage science fair posters to get more ideas. The last thing you want is to have a great project without a good science project poster board!
  • Here is how to make the best science fair board!

All Science Fair Projects