Learners discover the relationship between vibrations and waves created and examine the way the waves spread from the source. They participate in three demonstrations that show how waves move through gases, liquids and solids.
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Dark Matter: The Matter We Can't See
It's looking like the dark side is bigger than we thought! Physicists speculate that perhaps 96% of the universe consists of invisible dark matter and dark energy, while only 4% is what we can view with the aided eye. This flabbergasting...
6 mins 7th - 12th Science CCSS: Adaptable