CCSS.ELA-Literacy.WHST.6-8.2 Write informative/explanatory texts, including the narration of historical events, scientific procedures/experiments, or technical processes.

• CCSS.ELA-Literacy.WHST.6-8.2a
  Introduce a topic clearly, previewing what is to follow; organize ideas, concepts, and information into broader categories as appropriate to achieving purpose; include formatting (e.g., headings), graphics (e.g., charts, tables), and multimedia when useful to aiding comprehension.
• CCSS.ELA-Literacy.WHST.6-8.2b
  Develop the topic with relevant, well-chosen facts, definitions, concrete details, quotations, or other information and examples.
• CCSS.ELA-Literacy.WHST.6-8.2c
  Use appropriate and varied transitions to create cohesion and clarify the relationships among ideas and concepts.
• CCSS.ELA-Literacy.WHST.6-8.2d
  Use precise language and domain-specific vocabulary to inform about or explain the topic.
• CCSS.ELA-Literacy.WHST.6-8.2e
  Establish and maintain a formal style and objective tone.
• CCSS.ELA-Literacy.WHST.6-8.2f
  Provide a concluding statement or section that follows from and supports the information or explanation presented.