Treading the soil of the moon, palpitating its pebbles, tasting the panic and splendor of the event, feeling in the pit of one's stomach the separation from terra - these form the most romantic sensation an explorer has ever known.

Vladimir Nabokov

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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