Students take on design and testing challenges drawn from real infrastructure, including filters, towers, dams, and stormwater improvements, with budgets and constraints.
Grade 12 Quiz & test questions
A grade 12 exam on anaerobic digestion at a fictional facility, from solids loading and volatile solids destruction to biogas, electricity, and detention time.
Engineering & Design 50 min Answer key
Grade 12 Graphic organizer
A grade 12 organizer tracing six land uses in a fictional watershed from pollutant to pathway to the barrier that interrupts it, plus a monitoring point.
Engineering & Design 30 min Answer key
Grade 12 Worksheet
A grade 12 worksheet on a fictional district switching to chloramines: feed rates in pounds per day, the chlorine to ammonia ratio, and nitrification signs.
Engineering & Design 45 min Answer key
Grade 12 Graphic organizer
A grade 12 organizer where students set criteria, assign weights, and score solid-set sprinklers against subsurface drip for a fictional orchard facing a pumping limit.
Engineering & Design 30 min Answer key
Grade 12 Classroom activity
Grade 12 teams classify service line records at four stations, then size the crews, budget, and schedule a fictional district needs to replace lead lines.
Engineering & Design 55 min Answer key
Grade 12 Worksheet
A grade 12 worksheet sizing a rainwater cistern for a fictional school roof, from design-storm runoff and first flush to tank depth and simple payback.
Engineering & Design 45 min Answer key
Grade 12 Classroom activity
Grade 12 teams pass one spec sheet through four desks, size carbon vessels for a fictional plant, find the contact time falls short, and redesign the bed depth.
Engineering & Design 60 min Answer key
Grade 12 Quiz & test questions
A grade 12 exam on backflow protection for a fictional district, mixing hazard classification with head-to-pressure and life-cycle cost calculations.
Engineering & Design 40 min Answer key
Grade 12 Graphic organizer
A grade 12 failure mode organizer for a fictional aging low-head dam, tracing each component from observed condition to mechanism, control, and risk score.
Engineering & Design 30 min Answer key
Grade 12 Classroom activity
Grade 12 teams rotate through three design desks, price chemical against biological phosphorus removal for a fictional plant, and defend one recommendation.
Engineering & Design 60 min Answer key
Grade 12 Lab / experiment
A grade 12 lab where students measure a small pump's flow at increasing discharge heights, plot the head-capacity curve, and estimate shutoff head from the graph.
Engineering & Design 60 min Answer key
Grade 12 Quiz & test questions
A grade 12 quiz on a fictional lift station mixing multiple-choice and computation: wet well volume, fill and pump-down times, cycle time, and force main velocity.
Engineering & Design 35 min Answer key
Grade 12 Project
A grade 12 project where teams rank six aging water mains in a fictional town with a weighted scoring matrix, select a portfolio within budget, and pitch a capital plan.
Engineering & Design 5 sessions, ~250 min total Answer key
Grade 12 Worksheet
A grade 12 worksheet where students grade water meters on a fictional utility's test bench, compute percent accuracy, and trace under-registration into lost revenue.
Engineering & Design 40 min Answer key
Grade 12 Lesson plan
A grade 12 lesson where students compute water age in a fictional storage tank from volume and daily throughput, then weigh storage size against disinfectant residual.
Engineering & Design 55 min Answer key
Grade 12 Math problem set
A grade 12 problem set where students convert tank and street elevations into static pressures, find pressure-zone limits, and size a tank's usable storage.
Engineering & Design 45 min Answer key
Grade 12 Worksheet
A grade 12 worksheet on a fictional aquifer storage and recovery project: porosity from core samples, recoverable storage in acre-feet and gallons, and injection math.
Engineering & Design 40 min Answer key
Grade 12 Lesson plan
A grade 12 lesson where students compare dry- and wet-weather flows at a fictional wastewater plant, quantify inflow and infiltration, and price the extra treatment.
Engineering & Design 55 min Answer key
Grade 12 Math problem set
A grade 12 problem set where students convert a fictional reservoir's acre-foot storage to gallons, subtract the dead pool, and project days of supply in a drought.
Engineering & Design 50 min Answer key
Grade 12 Worksheet
A grade 12 engineering worksheet where students compute well drawdown, specific capacity, and daily yield for two wells in a fictional well field, then compare them.
Engineering & Design 35 min Answer key
Grade 12 Lab / experiment
A grade 12 engineering lab where students build a sand filter column, measure its flow, and compute the loading rate in gpm per square foot against the design range.
Engineering & Design 55 min Answer key
Grade 12 Lesson plan
A 50-minute grade 12 engineering lesson where students calculate BOD removal efficiency and pounds-per-day loading for a fictional secondary wastewater plant.
Engineering & Design 50 min Answer key
Grade 12 Project
A grade 12 engineering capstone where teams weigh a conventional filtration expansion against a membrane plant for a fictional growing town, then recommend one.
Engineering & Design 4 sessions, ~240 min total Answer key
Grade 12 Math problem set
A grade 12 reverse-osmosis problem set where students track flow and salt through a fictional seawater plant, finding recovery, salt rejection, and daily energy use.
Engineering & Design 45 min Answer key