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

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

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

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

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

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Have your child kick off their summer vacation by making a miniature water slide!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this design challenge, your child will make a bottle rocket using typical household items.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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 activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this activity, your child will be challenged to make a tower using paper cups.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Learn about the growing app design field by designing a new or improved app for smartphones.

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

In this activity your child will create their very own marble maze!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this challenge, students are tasked with creating a car that can be powered by a balloon!