Secondary Research: Information recorded by others.
The kids in the photo are using a stethoscope to investigate the sounds made by hearts in people, the puppy, and a cat not shown.
|Janice VanCleave’s Guide to More of the Best Science Fair Projects
The first section of this book gives detailed, step-by-step instructions on how to design and develop a science fair project.
The second section gives examples of exploratory investigations that can be developed into a science fair project.