This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair project idea determines if the color of light affects the growth of plants.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Evaluate if people are more influenced by video or audio advertising.

This science project investigates the influence of different genres of movies on appetite.

This science fair project idea studies the differences in gender perception between people.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

This science fair project examines the different composition of fungi and plants.

Determine if left-handed people have faster response times.

Make a backbone model to explore human anatomy and life science.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

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

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.