This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

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

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Determine which material produces the strongest static charge.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

This fascinating science fair project explores eye color genotypes.

The objective of this science project is to investigate patterns in fingerprints among family members.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Learn more about consumer preferences, product availability and pricing. Search ebay listings typing keywords of your choice. Interpret statistical analysis

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”