In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This fun calculator exercise will take the mystery away from the machine, and familiarize your child with the functions of a calculator.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

Dream big with a homemade dream journal, a great writing exercise for elementary-age kids.

In this fun felt activity, a few circles of felt and a scattering of beads quickly become flowers that your child can use to decorate a barrette!

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

Wondering how to help your child get a handle on prime numbers? Turn her into a prime number hunter with this hundreds chart activity.

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

This decimal game is a great way to help your child get familiar with how decimal values work.

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Indulge in an American classic with a twist and seize the opportunity to cook with your child, helping her build those math and social studies skills.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this project students experiment with making music using only glasses of water.

Make a kaleidoscope at home to teach your child about the color spectrum and mirror science.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

mix and match your own creative outfits while also predicting clothing combinations -- style and statistics practice all in one!

Show your child how to paint in true Georgia O'Keeffe style. He'll enjoy painting art inspired by a master, and boost his math skills, too.

Ready for a game that's mostly about strategy with a little luck thrown in for good measure? Make math fact practice exciting and start rolling the dice!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this project, different childproof containers are tested to see how childproof they really are.

Find out whether matte or shiny nail polish lasts longer.

Get inspired by the great outdoors and help your child make a quirky jewelry tree out of chopsticks!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Invite your fourth grader to celebrate one of four holidays by creating a kid-friendly homemade Menorah, Advent Wreath, Kinara, or Diya!

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.