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.

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.

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

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

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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

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 simple experiment serves as an introduction to the greenhouse effect.

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.

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!

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

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

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

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

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

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

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

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

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?

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

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.

Use familiar household items and decorations to turn estimation into a fun game!

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.

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.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.