2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Here's a simple science activity that will help your child better understand how wells bring us water.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.