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The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

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.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Discover the wonders of simple clay by pressing flowers into a modeling medium!

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

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

Transform your uncomfortable wooden shoes into charming mini planters!

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

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

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

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

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).