This time-based word builder is the perfect way to boost your child's vocabulary. Mix and match letters to see how many words she can come up with!

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 baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

In this activity, your child will explore techniques that support patience and learn to practice mindfulness when waiting.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

Science fair project that designs a video game that requires players to use relevant skills.

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

This science fair project idea examines liquids of different densities.

Science fair project that explains and demonstrates the parallax principle.

The objective of this science fair project is to investigate salt water density.

This science fair project idea examines readersâ expectations in regard to literature.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project will investigate a type of sustainable development project.

This science fair project idea investigates whether air has mass and weight.

The purpose of this science fair project is to build a basic radio.

Science fair project that builds a magnetometer and demonstrate its uses.

This science fair project idea teaches kids the different functions of a leaf.

This science fair project determines how oil affects a bird’s waterproofing.

This science fair project idea determines the way in which color affects memorization.

This science fair project idea outlines the principles and techniques behind paper batteries.

This science fair project demonstrates the "power of conformity".

Science fair project that illustrates the properties of black holes in space.

This science fair project idea determines how quickly germs and bacteria spread.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea outlines the practical applications of particular origami folding techniques.