This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Science fair project that explores the natural process of limestone formation.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Compare the ignition rates of various types of flame-retardant materials.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

In this experiment you will use plastic and magnets to test your local soil composition.

This science fair project idea determines which method of hand cleansing is the most effective.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Compare different remedies for cooling the mouth after eating spicy food.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.