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!

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

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.

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.

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.

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!

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 science fair project idea determines which flower lasts the longest.

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

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.

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 science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

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

This science fair project idea investigates food preference of birds.

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

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

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

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

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

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

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