Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

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

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

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

Explore the wattage of microwaves in relevance to cooking time.

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

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Introduce your child to science with something they see everyday--their shadow!

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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 activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

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