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Discover whether people can distinguish what a person looks like just by listening to their voice.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

This project examines whether people's taste perception is influenced by what they see.

This experiment investigates whether there are certain sounds that affect men and women differently

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

In this experiment we use Scotch Guard to make sand that resists water.

This experiment evaluates if personality influences whether a person prefers dogs or cats.

Explore the electrical energy present in energy drinks.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.