Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

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.

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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

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.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

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

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

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.

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?

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

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

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.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

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

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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 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!