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.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

The objective of this science project is to determine the length of time for different seeds to germinate.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.