This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This science fair project idea demonstrates how our fingers prune when in water.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

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.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

This science fair project determines the quality of a given product.

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

This experiment explores whether caffeine improves athletic performance.

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

In this project, several food items are tested to determine whether they contain starch.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Discover whether people can distinguish what a person looks like just by listening to their voice.

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

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.

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

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

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

Find out whether a longer airplane will fly farther or a wider paper airplane.