Could there be toxic chemicals lurking in the cupboards and closets of your home?

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

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

Explore the relationship between personality traits and birth order effects.

Detail the chemical properties, nutritional value, medicinal effects of garlic, Write a detailed report, prepare recipes.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Evaluate whether birth order influences personality.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Explore whether pianists have the tendency to type faster than non-pianists.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

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

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.