Seventh graders study the law of superposition by creating models of fossils in layers of rock. They examine how fossils are usually found in sedimentary rock which leads to the study of geologic history in those rocks.
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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