How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Practice problem solving skills with your kindergarten or first grade student in this fun connect-the-dots game!

Do this fun activity that uses stickers to help your kindergartener with counting, basic addition, and one-to-one correspondence.

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

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Use this fun spin-off of Bingo to help your child practice number recognition and listening skills!

Send your child on a hunt throughout the house for numbers to help develop her number recognition and ordering skills.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Serve up this pretend play activity to your preschooler to give her counting skills a healthy boost.

Make counting coins make "cents" to your second grader while giving her the chance to practice her math skills by playing this fun game with her.

Help your child practice her counting as she makes this fun and festive holiday decoration!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Help your child see numbers three ways with this simple grab-and-go game, great for quick practice in the car.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

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

Get your child excited about measuring with this fun and easy household measurements activity.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

If your young child is a kinesthetic learner, this equation board is perfect for teaching him addition and subtraction facts.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Your child will love making this adorable clover clock that will help him learn how to tell time.