Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

Turn learning fractions into a pizza party in this fun second grade math game.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Decorating pumpkins is a safer, cleaner alternative to carving. These Cubist art pumpkins are easy and fun to make, and serve as great fall decor.

Help your child learn to read! By making their own book, your child can get creative, and practice ten key sight words at the same time.

Help your mom unwind on her special day by making her this calming bath scrub.

Liven up your sixth grader's study of world geography with these three fun challenges.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Learn about the architecture of Asia by building your very own model of a pagoda!

Help your child learn about animal classification with this fun and delicious activity.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

Try a new approach to working with variables and equations by playing this tic-tac-toe game with your math student.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea investigates how magnetism can defy the force of gravity.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Craft butterflies from coffee filters in this sweet spring craft project!

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.

Celebrate Constitution Day by learning the Preamble to the U.S. Constitution!

This science fair project idea investigates the relationship between memory and age.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.