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 activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

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.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Word color association is just a fancy way to talk about the way we connect colors with words.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

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 Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

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

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

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.