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Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

Can cells be frozen? This science fair project provides information to answer this question.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

How powerful is the reaction between baking soda and vinegar? Find out here!

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!