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

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.

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.

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.