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.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This science fair project idea tests the efficiency of short term memory.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Free science fair project idea examining how different types of water affect plant germination and growth.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Test whether spot magnets can help improve the symptoms of an injury.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This project will examine the relationship between materials and air resistance.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!