Grade 11 Lesson plan
Why the Denholt Pump Cavitates: Vapor Pressure and Lift
A grade 11 lesson using a syringe demonstration and a fictional pump station record to explain cavitation as boiling at reduced pressure, with head math.
Water Science · Grade 11
These materials teach earth science, chemistry, biology, and physics through water systems, from the water cycle to treatment chemistry.
59 materials written for this grade · refine by type, topic, or standard in the catalog
Grade 11 Writing prompt
Fallowmere Reservoir's Late-Summer Oxygen Loss
Grade 11 students read four months of depth profiles from a fictional reservoir and explain stratification, deep-water anoxia, and the phosphorus release that follows.
Grade 11 Classroom activity
Ondry River Stream Table: Bank Erosion at an Intake
A grade 11 stream-table investigation where teams vary discharge, slope, and bank cover, then explain a migrating bend beside a fictional water intake.
Grade 11 Reading passage
Counting Resistance Genes at the Rushmill Plant
A grade 11 passage and data table on how a fictional reclamation plant reduces antibiotic resistance genes, and why killing bacteria does not remove their DNA.
Grade 11 Debate kit
Sarnwick's Sewer Overflows: Green Streets or a Tunnel
A grade 11 debate on whether a fictional city should cut sewer overflows with green infrastructure or a deep storage tunnel, using soil and storm data.
Grade 11 Writing prompt
Why Tanbury Springs Declined: Rainfall, Pumping, or Pines
Grade 11 students weigh three explanations for an 18-year decline in a fictional spring, then write an evidence-based argument with a counterclaim and a proposed test.
Grade 11 Debate kit
Thurlow Bend Dam: Remove It or Relicense It
A grade 11 debate on whether a fictional utility should remove an aging hydroelectric dam or relicense it with fish passage, using sediment and energy evidence.
Grade 11 Project
Umberly Reservoir: Testing Covers Against Evaporation
A five-session grade 11 investigation where teams run a randomized evaporation-pan experiment, test it with a simulation, and scale the result to a fictional reservoir.
Grade 11 Classroom activity
Vellacott Lake's Mussels: Modeling How Fast a Lake Clears
A grade 11 activity where teams calculate the clearance time of a fictional lake invaded by filter-feeding mussels, then evaluate three management responses.
Grade 11 Lesson plan
Yarnbrook Farms' Salty Root Zone: A Salt Balance Lesson
A grade 11 lesson on why irrigation concentrates salt in soil, using a fictional farm water budget to find leaching fraction, drainage salinity, and salt load.
Grade 11 Worksheet
Barrowgate Water Mains: Testing a Sediment Scour Threshold
A grade 11 worksheet testing a utility's proportional flushing model against turbidity results from eight main segments, then planning a controlled follow-up trial.
Grade 11 Worksheet
Bewley Reclamation Plant: BOD and TSS Removal Efficiency
A grade 11 worksheet on a fictional wastewater plant, computing BOD and TSS removal efficiency and daily pollutant loading with the pounds formula.
Grade 11 Math problem set
Bramfield Water Recovery Plant: F:M Ratio and Solids Retention Time
A grade 11 problem set on activated sludge control: students compute BOD loading, an F:M ratio, solids retention time, and the wasting rate a ten-day target requires.
Grade 11 Lab / experiment
Brindle Settling Column: Measuring Settling Velocity
A grade 11 lab measuring how fast coarse and fine sediment settle in a water column, linking settling velocity to clarifier design and river deposition.
Grade 11 Reading passage
Why Water Mains Break: Renewing Calderwood's Aging Pipes
A grade 11 informational passage on why buried water mains fail and how a fictional utility uses leak detection and asset management to renew them.
Grade 11 Math problem set
Cheswick's UV Reactor: Dose, Transmittance, and Log Inactivation
A grade 11 problem set on ultraviolet disinfection, moving from exposure time and lamp aging to absorbance from transmittance and the survivors left after inactivation.
Grade 11 Worksheet
Coldstream Well 4: Drawdown, Total Dynamic Head, and Pump Power
A grade 11 hydraulics worksheet where students compute drawdown, specific capacity, total dynamic head, and pump horsepower for a fictional municipal well.
Grade 11 Math problem set
Cresswick Clearwell Disinfection: Chlorine Dose and CT Math
A grade 11 problem set on chlorine demand, the pounds formula, contact time, and CT values in a fictional plant's clearwell, with equations for a required residual.
Grade 11 Math problem set
Ellersby's Lead Samples: The 90th Percentile and the Action Level
A grade 11 statistics problem set where students rank a fictional system's lead samples, find the 90th percentile, and compare it to the current and 2027 action levels.
Grade 11 Worksheet
Ellingham's Peak Day: Per-Capita Demand and a Conservation Target
A grade 11 worksheet on per-capita demand, peaking factors, and how two ordinary conservation measures change a growing town's projected peak-day water use.
Grade 11 Worksheet
Halcombe Bay Desalination: Recovery, Rejection, and Membrane Flux
A grade 11 reverse osmosis worksheet: students calculate recovery, salt rejection, brine mass balance, membrane flux, and energy use for a fictional desalination plant.
Grade 11 Lesson plan
Hartwell's Discharge Permit: The Clean Water Act on the Sindle River
A grade 11 lesson where students analyze a fictional wastewater discharge permit, connecting the Clean Water Act and secondary treatment to dissolved oxygen in a river.
Grade 11 Math problem set
Harwick's Pumping Bill: Energy, Efficiency, and Cost per Gallon
A grade 11 problem set where students turn a fictional utility's flow, head, and pump efficiency into daily energy, annual cost, and the savings from an upgrade.
Grade 11 Worksheet
Havenmoor Watershed Water Budget: Recharge and Drought Math
A grade 11 earth-science worksheet building a water budget for a fictional watershed, partitioning precipitation into evapotranspiration, runoff, and aquifer recharge.