Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

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

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.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

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.

This St. Patrick's day, stretch your child's social studies and math skills with this fun, cooperative learning game.

Make practicing addition facts more fun and teach your child some helpful strategies with this spin off of the traditional "Go Fish" game.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Analyze this simple betting game with your fourth grade student in order to discuss probability.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!