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Smithsonian Institution
Water/Ways: The Poetry of Science
Water is the source of life. It appears in poetry in both peaceful and torrential descriptions; it appears in earth science in its liquid, gaseous, and solid states. Combine these interpretations of our planet's most precious and...
Curated OER
The Worldly Philosophers by Robert Louis Heilbroner
In this online interactive reading comprehension worksheet, students respond to 15 multiple choice questions based on The Worldly Philosophers. Students may submit their answers to be scored.