From the burning of wood to the action of medicines, the properties and behavior of matter are governed by the way chemical elements bond with one another. For many of the 118 known elements, the ...
1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...
MOST is unlike any spectroscope ever built. It can unravel the light of 2,400 celestial objects simultaneously into 18,000 color components.
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