This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This science fair project idea investigates the relationship between memory and age.

In this science fair project, students test how objects float and sink in liquids of different densities.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Explore the effect of wind speed on the burning rate of a candle.

Word color association is just a fancy way to talk about the way we connect colors with words.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

This experiment will explore the best way to create a perfect soft-boiled egg.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.