This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this project, a mnemonic is used to test how it increases memory.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.