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!

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

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

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

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

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

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

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

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

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

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

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

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

Here's an interactive, fast-paced game that will make your fifth grader feel more comfortable with simple equations.

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

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.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

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.

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

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

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.

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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