Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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

Here's a hands-on way to help your child understand how common fractions can be equivalent.

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.

Simplify fractions with your child in this fast-paced math card game.

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

This science fair project idea deals with the qualities of shade on a sunny day.

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!

This St. Patrick's day, stretch your child's social studies and math skills with this fun, cooperative learning game.

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Teach your fifth grader an important math concept with this quick and simple activity that shows them how to divide whole numbers by fractions.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

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

This simple experiment serves as an introduction to the greenhouse effect.

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

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.