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In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

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

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

This experiment investigates whether paper color influences people's ability to remember the information that they read.

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

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.

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.

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

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

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.