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

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 investigates if fats add to the flavor of food.

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

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

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

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.

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

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

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?

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

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

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.

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

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

Explore the belief in astrology as a predictive system.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

Plants and light seem to be good buddies, but how far does the friendship really go?

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This science project researches the correlation between barometric pressure and wind velocity.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.