How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

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

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Determine if gender affects the ability to identify different smells.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.