Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This project examines the concentration of dissolved oxygen in water, with and without oil.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Your child can brush up on her math skills by charting the length of time that each candle on the menorah takes to burn.

This simple experiment serves as an introduction to the greenhouse effect.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

Invite your first grader to play this subtraction sacks game to get her actively involved in understanding and memorizing subtraction facts.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Support your first grader's counting and reading skills while laughing and running in this fun playground game.

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

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!

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Celebrate 100 fantastic days of school by creating a school-themed collage with 100 pieces in this unique arts and crafts activity.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

Get a leg up on counting concepts with this project where art and math collide.

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

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.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

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

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.