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

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.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Science fair project that determines whether mass and weight are the same or different.

This science fair project idea provides evidence that air is everywhere and takes up space.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.