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

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

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

Science fair project that determines how we can change potential energy into kinetic energy.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

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

This science project researches the correlation between barometric pressure and wind velocity.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.