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.

Make sourdough bread...and learn some colonial history and modern science in the process!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

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.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

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.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

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

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Help your child hunt and capture bugs to observe to practice important science skills and satisfy her curiosity simultaneously!

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

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.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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