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.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

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.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

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

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

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

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

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

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

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

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

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

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Practice conversions within the metric system in this fun math card game for third graders.