Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Find out whether matching resonant frequencies can cause objects to shatter.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Find out whether matte or shiny nail polish lasts longer.

This experiment will explore whether adding different substances to a gel affects its strength.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Explore the neural and mental mechanisms at play in mental imagery.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

This project is about after-images and what possibly affects them.

This science fair project idea investigates if fats add to the flavor of food.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Using a toy race car kids create a visual model of the Doppler Effect.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.