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Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This experiment explores whether caffeine improves athletic performance.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

Learn all about balance and motion as your child designs a corn maze!

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.