Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

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

This science fair project idea examines whether boys and girls differ in reflexes.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Construct and experiment with a periscope using reflected light rays to gather an image.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

Determine which video game elevates the heart rate best and burns the most calories.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

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

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.