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Learn about the role of greenhouse gases in climate change with resources from the NLM's Environmental Health Student Portal. The greenhouse gases web page provides basic information for middle level students about greenhouse gases and the human activities that increase them, links to news articles...
Grade Level   6 7 8
Classroom Activities Curricula and Instruction
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2
"Nitrogen is an element that is found both in living things and the nonliving parts of the Earth system. In this classroom activity, students play the role of nitrogen atoms traveling through the nitrogen cycle to gain understanding of the varied pathways through the cycle and how nitrogen is...
Grade Level   5 6 7 8 9
Classroom Activities Curricula and Instruction
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