Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

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

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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.

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

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

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

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This project examines how temperature affects the volume of gas in balloons.

This project explores whether music affects the growth and health of plants.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This experiment will explore the best way to create a perfect soft-boiled egg.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.