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Popular Science Fair Projects

Science Fair Projects for 8th to 12th graders

Everyone's favorite science projects! These popular science projects are crowd pleasers, try one for your next science fair! Make science fun with exciting science projects. There is a great popular science fair project in all these topics. The trick to a winning project is to choose a topic you like and find a science project to match it. Take a look at these popular science fair projects. Start and finish your project tonight! All science fair projects include 15 pages of easy-to-follow directions to help you create your project step-by-step.

Also included in each project:

  • Details about the scientific method
  • List of needed materials
  • Vital information on how to make your presentation
  • Details about "What the judges are looking for"

As a bonus, every project includes 16 free original science games that you can play with all your friends!

In addition to these popular science fair projects, you can choose from over 300 science fair projects. Every subject is covered including chemistry, physics, biology, computer and environmental sciences, and more. Choose it and print it now; start your science fair project right away!





What mixture of ingredients will make the best volcano?
Here is a new wrinkle on an old project. Making your own volcano is really a classic. But now you can experiment with the ingredients and see which mixture will work the best. 300 more POPUPLAR science projects here!

Science Project Topics:

Each Science Fair Project includes:

  • Step-by-Step Instructions
  • Suggested Materials and Procedures
  • Scientific Method Overview & Tips
  • Charts & Graphs
  • Set of Easy-to-Follow Blueprints

See a sample
science fair project!



Which invisible ink is the most invisible?
It is time for James Bond and Mata Hari, two extraordinary spies to do their thing. You will concoct different invisible inks and then determine which one works best to fool the enemy. You will have to use some heat for this project so an adult should always be present and care should be exercised.
300 more POPULAR science projects here!




Can I turn old sorry looking pennies into shiny looking brand new ones? Which solution is a better cleaner? Is it lemon juice or salt and vinegar? How will this work on nails and screws?
You can explore chemical reactions and clean your pennies at the same time. You may also amaze your family and friends at your skill. 300 more POPULAR science projects here!

Which drink of yours will evaporate the fastest? Will it be your coke, your milk, your orange juice, or your water?
In this project you will learn just how long you can leave your drinks out before there is nothing left to them. You may be surprised at the results. You will also learn why evaporation is so important and what causes it.   300 more POPULAR science projects here!



What is the wet strength of different paper towels? How will the paper towels react when doused with coffee, water, and fruit juices. Find out for yourself, tell your mom, and save money.
You no longer have to believe the advertising. You can determine for yourself the best buy in paper towels with this project and then you will be a hero to your mom and neighbors and family when you help them all to save money. 300 more POPULAR science projects here!



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