This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

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.

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

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

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.