This science fair project idea explores the fastest average speed a human can talk.

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

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

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

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project collects information on the Internet about yourself and others.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Test your friends to find out if you can replicate the placebo effect's incredible results.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science fair project idea determines the probability of a coin landing heads or tails.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

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

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

Evaluate whether birth order influences personality.

Do you think heat can affect a plant's growth rate?