Last but not least this morning, here is a lesson plan on the Greek word root hetero. It means different and other. This is a relatively productive root in English, giving us words like heterogenous and heterosexual. The first of those adjectives, science teachers, is something you probably want students to know; more broadly, you certainly want them to understand the concepts of otherness and difference. That said, these concepts traverse the entire curriculum in primary and secondary schooling.
If you find typos in these documents, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.