Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Guessing is more than pure fun, it's also a key part of kindergarten math. Here's a fun way to bring estimation to the breakfast table.

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

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

Start the new year with this fourth grade math "Calculation Challenge!"

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

A hands-on guessing game that teaches kids to recognize different coins. First graders will learn their money and their math at the same time!

This science fair project idea determines which flower lasts the longest.

Help your child make an imaginative, inexpensive spaceship from recycled materials. When the spaceship is ready, count backwards from ten and then BLAST-OFF!

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

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

Science fair project that uses distillation to convert salt water into fresh water.

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Put together a pine forest to help you count down the days until Christmas with your little one.

Use familiar household items and decorations to turn estimation into a fun game!

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

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

This science fair project idea investigates food preference of birds.

Your preschooler wonât need a passport to go on this nature safari! All you need are paper, crayons and a nature trail or your back yard.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

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!