Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair project will help students learn about non-vascular plants, such as mosses.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

This surprisingly good glue recipe comes from common kitchen items.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea explores whether white light can be separated into different colors.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This science fair project idea investigates how the shape of an object affects drag.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science project allows students to study the psychology of happiness.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learn about nature by making your own mini moss garden.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Make sourdough bread...and learn some colonial history and modern science in the process!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.