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This experiment explores whether caffeine improves athletic performance.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Find out which type of sponge holds the most water.

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

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

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

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea determines what household items are good conductors of electricity.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

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

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Find out if most people can distinguish the difference between tones on different instruments.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

This experiment investigates whether paper color influences people's ability to remember the information that they read.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?