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Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

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.

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

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.

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

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

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

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

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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 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!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

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.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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

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

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

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

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

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.

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

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

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.