The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

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

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

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Find out whether matte or shiny nail polish lasts longer.

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

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.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

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

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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

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

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 project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

This science fair project idea determines which flower lasts the longest.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

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