JoinAll Elementary resources
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The water cycle describes the pilgrimage of water as water molecules make their way from earth’s surface to the atmosphere and back again. This syst...
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These resources were put together to create a collection of information that discusses the positive and negative impacts that human have on ecosystems...
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Updated 7/13/16 A collection of NSTA articles supporting argumentation in the classroom....
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Interdependence of life: sustainability of Organisms
I choose these resources because they all discuss what makes an organism work and how it can be sustained or harmed....