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Within third grade, the focus is on the different types of Earth’s resources, how they are used and how they can be conserved. Scientific data should be used to evaluate and compare different methods of conservation (e.g

Within third grade, the focus is on the different types of Earth’s resources, how they are used and how they can be conserved. Scientific data should be used to evaluate and compare different methods of conservation (e.g., effectiveness of different kinds of recycling such as paper vs. metal). The concentration must be the science behind the conservation of resources and why certain resources are limited. Reducing or limiting the use and/or waste of resources should be emphasized (rather than concentrating only on recycling of resources).

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