Larry Ferlazzo’s Websites of the Day…

…For Teaching ELL, ESL, & EFL

Great Illustration On The Shelf-Life Of Knowledge


Here’s a great illustration on the shelf-life of knowledge that’s perfect for IB Theory Of Knowledge classes. I can see using this as a model, and then having students develop their own (along with their justifications).

This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License. By Abstruse Goose

Author: Larry Ferlazzo

I'm a high school teacher in Sacramento, CA.

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