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

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

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

Check out this game that provides an enjoyable way of demonstrating how recorded results can be expressed in whole numbers, fractions, and decimals.

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

Try a new approach to working with variables and equations by playing this tic-tac-toe game with your math student.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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.

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?

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?

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.

Use this great no-bake recipe to save energy and keep cool.

Increase your child's confidence in interpreting bar graphs and throw a little candy into the mix to sweeten the learning process.

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

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.

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

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

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

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

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

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

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

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