In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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 fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea examines which type of insulation holds in the most heat.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

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

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

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

This project explores ways to prevent static electrical shocks.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

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.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

Find out whether people within a family tend to have matching fingerprints.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Test the combustion of different types of woods.

This science fair project idea investigates the hardness property of minerals.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.