Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Find out whether packaged seeds actually do expire in this new science fair project idea.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea compares biodiversity between drops of water.

Learn about how to write a couplet poem in this easy introduction to the classic poetry style.

Develop your child's hand-eye coordination in a fun and engaging way by challenging her to a game of Drop Catch.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Help your child construct and author a "sempuyo," a traditional Japanese book with accordion-style pages; she will develop her writing and fine motor skills.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Pureed ripe peaches, vanilla yogurt, agave nectar, and juicy chunks of peach come together to form a refreshing pop that hits the spot on a hot summer day.

Learn how to make onigiri, a popular Japanese snack.

Help build vocabulary and foster your kid's creative side by having her write a poem all about dinosaurs!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Discover how and which salt melts ice the quickest.

Build a decorated box and fill it with research that can help you get to your dream location someday!

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science fair project, students make their own rain gauge to measure rainfall.

Celebrate the flavors of fall by making this sweet breakfast treat with your child. It beats the stuff from the box any day!

Examine the effect of pressure on carbonation in soda.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Ancient Greek vases were not only utilitarian, they were also works of art. Jump into ancient cultures by decorating your own vase in classic Greek style.