If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

This science fair project idea explores the fastest average speed a human can talk.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Explore the wattage of microwaves in relevance to cooking time.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

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

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project idea discovers the average time it takes for a person to remember something completely.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?