Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea explores whether color affects a person's emotional state.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This science fair project examines the different composition of fungi and plants.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This project explores what happens to a rubber band when it is heated and cooled.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Examine the connection between temperature and chemiluminescence.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

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

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.