This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Dive into U.S. colonial history by making a simple bottle gourd water cooler, crafted by colonists of Roanoke Island in the 16th century.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

On Martin Luther King Day, help your third grader create an original "scratch art" card to thank a person who has made a difference in his life.

Start your toy engines -- this is going to be a fast and friction-filled race!

Learn how to make fairy wings with these easy instructions. See how to make fairy wings for Halloween or dress-up time.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Here's a great project to get your child on the right track towards writing well thought-out proposals.

Encourage your fourth grader to develop their critical thinking and critical writing skills with this Critics' Choice movie booklet for your family.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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.

By using your child's own activity schedule, you can strengthen his understanding of elapsed time, and get him organized along the way!

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Practice early social studies skills and get your child excited about the new school year with this fun activity.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea determines what household items are good conductors of electricity.

Show your young artist how to celebrate Mary Cassatt, an Impressionist painter, by creating a mother-child painting in her style.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Yarn ornaments are a beautiful and crafty way to celebrate the holidays. Make a set of yarn ornaments with your child, then hang them on your Christmas tree.