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

This science fair project idea produces consumable fresh water from salt water through desalination.

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.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

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

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

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Learn about the factors that influence group conformity.

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

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

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

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

In this science fair project, students make their own rain gauge to measure rainfall.

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

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

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

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

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

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.