Common Core ELA · Grades 9–10

WHST.9-10.2 Discipline-specific informative writing

Write informative/explanatory texts, including the narration of historical events, scientific procedures/experiments, or technical processes.

Why water teaches this standard well

Students produce technical explanations such as a lab report on water hardness testing or a process narrative of secondary wastewater treatment. Water treatment supplies genuine multi-stage procedures that are worth documenting precisely.

Materials tagged with this code are written to the full standard , and each carries a written note explaining the alignment. See how we review materials.

3 materials aligned to WHST.9-10.2

Classroom activities

Writing prompts

Grade 10 Writing prompt

Halgrave's Water Audit: Explaining the Missing Third

A grade 10 science explanatory prompt where students use a town water audit to explain apparent losses, real losses, and how three repairs change river withdrawals.

Science 2 sessions, ~90 min total Answer key

Grade 9 Writing prompt

How Draining Cawthorne Marsh Changed Drumlane's Water

A grade 9 science explanatory prompt where students use a fictional monitoring table to explain how draining a marsh changed floods, summer flow, and temperature.

Science 2 sessions, ~80 min total Answer key