1
By XKCD
This small infographic shows the thickness of see ice up against famous city skylines. Notice how much bigger the ice sheets are than the cities!
Grade Level   4 5 6 7 8 9 10 11 12
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2
The Chemical Heritage Foundation offers resources that highlight the stories of chemistry and the people behind them. Teachers will find historical biographies and videos, iPad apps, role-playing games, and interactive timelines that make the history of chemistry come alive. Watch Women in Chemistry...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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3
By TED-Ed
Published in 2014
"In 1816, Europe and North America were plagued by heavy rains, odd-colored snow, famines, strange fogs and very cold weather well into June. Though many people believed it to be the apocalypse, this """"year without a summer"""" was actually the result of a supervolcano eruption that happened one...
Grade Level   3 4 5 6 7 8 9 10 11 12
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4
Published in 2016
"Six out of 10 people in the US have never seen out Milky Way Galaxy arch across their night sky from where they live. And the problem of light pollution is quickly getting worse. Within a couple of generations in the US, only the national parks will have dark enough skies to see the Milky Way....
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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