How many ways can Christmas fun "add up"? Download this fourth grade math worksheet and find out!

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Has the rain ruined your summer outdoor campfire plans? You can still make some tasty s'mores with the help of your oven!

This science fair project idea investigates how the shape of an object affects drag.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Create a face of a person or animal on a small terra cotta flower pot and grow herbs or a flowered plant for their hair! As the herbs grow, the hair grows.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Develop your child's hand-eye coordination in a fun and engaging way by challenging her to a game of Drop Catch.

Have a young architect or designer on your hands? Here's an easy activity for him to learn the basics of landscape and architecture while having fun!

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

This science fair project idea explores how length affects the weight a bridge can hold.

Stir up some friendly competition with this tabletop bow and arrow craft!

Creating a book is one thing, but creating a codex is a whole different ball game.

Next time you're headed out on the road with your fourth grader, try this alphabet-geography game that the whole family can play.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Here's a guide to help you design a challenging pool obstacle course for your elementary school children with ordinary pool toys and household objects.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

In this science project, the center of gravity is explored.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Examine the effect of pressure on carbonation in soda.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Create a special Father’s Day surprise by planning and mapping a hike around the neighborhood!