Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

Crazy quilting is a fun and easy way for kids to exercise some creativity and connect with the past.

Invite your child to craft dream cloud magnets to display their hopes and visions for the future!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Brooches never go out of style! Your child can create a flower brooch that will look fantastic pinned to clothing, or even a bag. They also make great gifts.

Learn about the CUPS strategy, a useful tool for editing children's writing.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Pop up a pup tent, just like Civil War soldiers did on the battlefield.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Your aspiring poet will be delighted to learn how to write limericks, which are funny poems that correspond to a simple rhyming structure.

Give your kid the opportunity to experiment with color combinations, and how the tape is applied as they make special cards for friends and family.

This science project allows students to study the psychology of happiness.

Kids write about their favorite parts of school in 100 words to celebrate 100 days of school in this 5th grade writing activity.

Travel to ancient Mesopotamia with your kids by carving your own unique cuneiform cylinder seals.

Introduce decimals and place value with this fun math card game for fourth grade students.

Kokeshi dolls have been around since the 17th century, and now your child can recreate a piece of Japanese history and culture right at home.

Combine winter charm with DIY fashion to create this lovely piece of jewelry.

It's not always bad to think negatively -- step into the creative and unique world of negative space drawing!

This Presidents Day, meet four of our country's most important heroes with this Mount Rushmore writing activity.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!