This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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!

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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

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

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.