Use pepper and soap to discover some fun facts about the properties of water.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Explore convex and concave objects and how they reflect light.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This project will explore whether music influences physical endurance.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

This science fair project idea explores whether dogs do look like their owners.

Demonstrate how to tell the age of an egg without having to crack it open.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Discover which method for odor removal words the best for stifling refrigerator odors.

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.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Make a backbone model to explore human anatomy and life science.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.