Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This project examines whether and what associations exist between numbers and letters and colors.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

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

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This project examines whether humans can intuitively grasp numeric values greater than three.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This science fair project investigates why the number of visible stars changes from place to place.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Evaluate gender differences in processing visual information.

This experiment tests which gender is better at catching how a magician performs his tricks.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.