Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

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

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

Practice multiplication facts by playing baseball in this fun, third grade math board game.

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Here's an enjoyable at-home activity that gives your child step-by-step practice identifying the important parts of an article and organizing his ideas.

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

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.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

This heart print makes the perfect simple and sweet gift for Valentine's Day!

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

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

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Practice conversions within the metric system in this fun math card game for third graders.

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!