Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

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

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

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!

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.

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.

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!

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

The project idea is to understand why chocolate turns white and to determine the fastest way that this process can occur.

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

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

This science fair project idea determines which flower lasts the longest.

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

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

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

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

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

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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 experiment is to evaluate the effects of acid rain on plants.

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