Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Find out whether matching resonant frequencies can cause objects to shatter.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

This science fair project investigates why the number of visible stars changes from place to place.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

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.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

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

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This science fair project idea will be examining oxidation and acid rain

This science fair project idea explores the different properties of matter.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.