If future generations are to remember us with gratitude rather than contempt, we must leave them more than the miracles of technology. We must leave them a glimpse of the world as it was in the beginning, not just after we got through with it.

President Lyndon B. Johnson

These resources are generally appropriate for grades 5 - 9. In some cases they have been classified by grade level. 

The groupings are general and somewhat arbitrary. As with anything in education; your milage may vary.

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