This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.