Choose the Word or Google Doc version of the library day worksheet. Make a copy for yourself. If you'd like a print version, let me know.
Use currency, relevancy, authority, accuracy, and purpose to decide whether to use or cite a source.
Is the article popular or scholarly?
For internet sources, learn ways to spot bad science. Stop, investigate the source, find additional coverage and trace to the original. The context matters. Learn more about how Wikipedia has value, especially in the references.