Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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

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

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

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.

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.

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.

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.

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.

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

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!

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

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

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.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

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

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.