Sixth graders investigate how fossils are formed. They analyze a photo of the Grand Canyon, and create a fossil cast and mold using plaster of paris and shells.
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Where Did Earth's Water Come From?
It's commonly known that over 70 percent of of the earth's surface is covered by water, but exactly where did it all come from? Join this short video as it travels back to the beginning of the universe in search of the origins of this...
4 mins 6th - 12th Science CCSS: Adaptable