1 Light Files

A share-a-thon is a place where teachers can voluntarily upload their files for other teachers to use. When a teacher submits a file, it is catalogued and placed into a database. To view more materials from the topic above or from different branches of science click here.

The continued strength of this site depends on teacher contributions! Please help make this site stronger by submitting a file!

Click here to share/upload a file

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Seeing in the Dark
A misconception of many students is that they can see in the dark. This is a simple series of graphics to show why it is impossible to see in total darkness.