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.

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

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

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

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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:

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

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

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

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

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 transform an egg into a glowing, bouncy "ball" that they can play with.

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

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

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

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 challenged to use simple materials to create a catapult for a small, lightweight toy.

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

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

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

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 design challenge, students will be tasked with creating a bouncy ball polymer!

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