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

The objective of this experiment is to evaluate the effects of acid rain on plants.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This fascinating science fair project explores eye color genotypes.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Explore the neural and mental mechanisms at play in mental imagery.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Examine the connection between temperature and chemiluminescence.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

This project will explore whether music influences physical endurance.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

This project explores what happens to a rubber band when it is heated and cooled.

In this project, you will observe and record changes in sunspots over two weeks.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

This science fair project demonstrates the "power of conformity".

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.