This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This science fair project idea attempts to prevent another tragedy in Gonaives and encourages technological advances against flooding.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project idea increases the space efficiency of living areas and encourages economic improvements via new real estate ideas.

This science fair project idea attempts to develop a new or improved eco-friendly packing material.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This science fair project idea compares the cuteness reaction between genders.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.

This experiment will explore whether adding different substances to a gel affects its strength.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.