This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

In this science fair project, students investigate how different colors influence appetite.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

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.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Find out whether matching resonant frequencies can cause objects to shatter.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Determine which metal has the highest rate of conductivity.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!