Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

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

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

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

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

Celebrate the 100th day of school by creating a geometric, math-inspired mural in the style of Henri Matisse in this creative kindergarten grade art activity.

This activity is a great way to practice sorting, counting, matching, and other early math skills--- on the fly.

Your kindergartener will learn basic math concepts and create a beautiful keepsake with this African flag reference book.

Want to make sure you raise a money-savvy kid? Start him out right with this activity that hides valuable math skills within a fun grocery store game.

Reuse old cardboard boxes and popsicle sticks to create a miniature sled that is perfect for pretend play with dolls or action figures.

This science fair project idea determines the way in which color affects memorization.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

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.

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

Does your second grader want to learn a magic trick? Here is a simple trick using only 3 dice and a little bit of addition and subtraction.

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

Help your child "step up" to second grade math fact challenges with a fun addition and subtraction game in your very own kitchen.

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

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

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

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

Lots of everyday objects can be fun, whether it's buttons, beans, or Lego blocks. Here's an activity that uses coins to build problem-solving strategies.

This science fair project idea measures physical dexterity as a function of temperature.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.