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

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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

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.

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.

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

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

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!

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.

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.

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

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

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.

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

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

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!

This science fair project idea identifies clouds as a means of predicting the weather.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

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.

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

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 cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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.

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

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.