Free Science Fair Projects

There are lots of good science fair projects that don't cost anything to do. Find a science fair project idea for a project that is free. This is a list of projects that use materials you may already have in your home or that involve gathering data from a free location. If you don't have a material, choose another project.

• What is the effect of music on plant growth?

• What fruit contains the highest percent of water?

• What is the effect of salt on the boiling temperature of water? Sugar?

• Make a hypothesis and analyze data that you can find online. For example: Are there really streaks in baseball? Or is it chance?

• Does listening to music while performing a task (e.g., taking a quiz) affect how well you do?

• Can a saturated saltwater solution still dissolve sugar? Can a saturated sugar solution still dissolve salt?

• What is the variation of size of eggs in a carton?

• Where does bread mold the most quickly?

• What happens if you replace baking powder with baking soda? Baking soda with baking powder?

• What is the temperature variation in different rooms in a house? What impact does closing/opening doors have on the utility bill?

• How much time do most kids take to get ready for school in the morning?

• Free Grade School Projects
• Free Middle School Projects
• Free High School Projects