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

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.

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

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

Make exercise fun for your child with this energetic fitness game that's a cross between a cake walk and musical chairs.

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

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

This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.

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

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.

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 the correlation between the ability of selected materials to conduct heat and a material's density.

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 competitive inequalities card game is a great way to help your child understand the connection between numerals and the values they represent.

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

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.

Your little one can welcome the reindeer with an adorable reindeer portrait all while learning the difference between small, medium and large.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

In this fun activity, your child will learn the difference between facts and opinions. They will design cards for a matching game that they create and play!

In this activity, your child will take a walk outside, listen to the silence in between sounds, and draw what the experience was like for them.

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.

Using cameras, host a friendly contest between family members or friends to see who can find the most examples of geometry in the real world!

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

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.