Grade 12 Lesson plan
Phosphorus Recovery via Struvite at Ashgrove Reclamation
A grade 12 lesson on struvite precipitation, where students calculate phosphorus loading and recovery at a fictional plant and treat a nutrient as a resource.
Water Science · Grade 12
These materials teach earth science, chemistry, biology, and physics through water systems, from the water cycle to treatment chemistry.
56 materials written for this grade · refine by type, topic, or standard in the catalog
Grade 12 Worksheet
Chlorine Feed Rate and Detention Time at Blackstone Falls
A grade 12 worksheet using the pounds formula, the detention-time formula, and chlorine demand to size disinfection feed at a fictional treatment plant.
Grade 12 Debate kit
Mandating Nutrient Removal Upgrades for Harlow Lake Plants
A grade 12 debate kit on requiring nutrient removal upgrades at plants discharging to a fictional lake, weighing water quality against ratepayer cost.
Grade 12 Math problem set
Larkspur Bend pH Sampling: Estimating a Mean with Margin of Error
A grade 12 statistics problem set where students estimate a fictional system's mean pH, apply a margin of error, and judge whether the system meets the EPA pH standard.
Grade 12 Lesson plan
Water Main Break Trends and Capital Planning in Milbrook
A grade 12 lesson comparing the mean and standard deviation of main breaks across pipe materials in a fictional utility, connected to national funding trends.
Grade 12 Reading passage
PFAS Regulation and the Shifting Compliance Deadline
A grade 12 passage on the federal PFAS drinking water rule, the treatment technologies utilities use, and the 2026 proposal to give some systems more time to comply.
Grade 12 Lesson plan
Desalination Recovery Rate and Salt Rejection at Talon Point
A grade 12 lesson where students calculate a fictional plant's permeate flow, salt rejection, and concentrate TDS, benchmarked against the real Carlsbad plant.
Grade 12 Project
Dissolved Oxygen Below Cedar Mill Outfall: A Capstone Investigation
A grade 12 capstone project where students sample dissolved oxygen above and below a fictional outfall, then use statistics to recommend action to a watershed council.