This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

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

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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 compares the cuteness reaction between genders.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

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.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

This science fair project idea studies past and current fads and trends.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Demonstrate which cooking method gets rid of the most fat.

This science fair project idea explores substances that cause a bubble to last longer.

Explore the belief in astrology as a predictive system.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Compare the ignition rates of various types of flame-retardant materials.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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

This science fair project idea investigates if fats add to the flavor of food.