Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This project determines what category of person is most likely to be ticklish.

Examine the effect of pressure on carbonation in soda.

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.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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.

Learn all about balance and motion as your child designs a corn maze!

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates if fats add to the flavor of food.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project teaches students about wilting and browning of salad greens.