Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

In this science fair project, students create their own miniature salt flats at home.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project that examines condensation and the conditions needed in order for dew to form.

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.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea explores the different properties of matter.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.