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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

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

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

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 Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

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

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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.

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.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.