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

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.

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.

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.

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.

Science fair project that creates fog using bottles of hot and cold water.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Explore the negative and positive consequences of stereotypes.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

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

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.