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Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

The project researches how lubricants affect the mechanical advantage of a pulley.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

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

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Construct batteries that make electricity from fruits with this fun science fair project.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

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 experiment examines the relationship between gender, age, and smiling.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.