This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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

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

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

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

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

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.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

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!

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

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.

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.

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

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.

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 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.

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

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

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.

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

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