Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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

In this project, you will observe and record changes in sunspots over two weeks.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

In this project children practice the scientific method while playing with puffy paint.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This science fair project idea determines which flower lasts the longest.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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