Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

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

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

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

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

This project involves the development of a website using free software online to promote the value of science.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

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

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

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

This science fair project idea raises awareness of a real ecological issue.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.