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Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This science fair project idea explores how length affects the weight a bridge can hold.

Determine how we can separate the components of a solution

This science fair project idea explores whether talking to a plant will help it grow.

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

Science fair project that examines the biodiversity of ant populations in various locations.

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

This science fair project idea explores the different properties & interactions of sugar molecules.

Evaluate the efficacy of different pain management techniques.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Check out this cool science fair project on identifying rocks and minerals for kids.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

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

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

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Examine spreadsheet functions and design a new way to utilize spreadsheets. Analyze a spreadsheet program to familiarize yourself with its capabilities.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.