Mercury thermometers are handy and useful, but they could be extremely dangerous to bring on planes.
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Categories: Gr 9-10 Science
Written by Sara Avent This lesson plan begins with a video of underwater footage of the Deepwater Horizon spill. The students will be asked to... read more
Over a period of seven months in 2017, the Hubble Space Telescope photographed a beautiful display of northern lights over Saturn’s north pole. Source: Hubble telescope spots 'northern lights' on... read more
On Nov. 30, 2010, astronomers discovered asteroid 2010 WC9. However, it soon faded from view and was lost. But now it's back, and it's going to whiz past Earth Monday night. Source: Lost asteroid to... read more
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