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

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.

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

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

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.

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

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.

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

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!

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.

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

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

This experiment investigates if stress alters body temperature.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science fair project idea investigates food preference of birds.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

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

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

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

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

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 project concerns activity happening millions of miles away, on the sun.

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

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 evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

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!

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