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.

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

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

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

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 examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

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

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.