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

Natural vs. Synthetic Antibiotics: Which Works Better?

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.

Floating Rocks

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.

Horizontal and Vertical Motion

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.

Do Dogs Understand English?

Get your young scientists out of the classroom and into nature with this interactive science lesson.

I Spy Nature All Around

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

Can You Hear Me Now?

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

Too Cold to Chirp?

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

Psycholinguistics

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.

Cooling Food: Microwave vs. Oven

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.

How to Make a PVC Pipe Instrument

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.

Rubber Band Heat Engine

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

Sound Resonance: How to Calculate Speed of Sound

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

Van de Graaff Generator Experiments

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

Calorimetry: Bomb Calorimeter Experiment

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

Apparent Weightlessness in an Elevator

This lesson engages students in activity to help them understand the phases of the Moon, and why they occur. Students read literature, analyze it, and then apply it to the small group performance of one cycle of the Moon’s phases.

What's Your Phase?

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

Acoustics: The Study of Sound

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