Grade 8 Math problem set
Sablerock's Pressure Filters: A Cylinder Volume and Loading-Rate Set
A grade 8 engineering set that sizes cylindrical pressure filters, converts volume to gallons, and checks loading rates against a safe design range.
Water Engineering & Design · Grade 8
Students take on design and testing challenges drawn from real infrastructure, including filters, towers, dams, and stormwater improvements, with budgets and constraints.
40 materials written for this grade · refine by type, topic, or standard in the catalog
Grade 8 Math problem set
Sunmarch Ridge's Solar Well Pump: Building a Linear Function
A grade 8 set where students build and use linear functions for a solar well pump, combining a steady fill rate, a starting amount, and daily household use.
Grade 8 Lesson plan
Choosing PFAS Treatment for Tannery Springs: A Design Trade-Off Study
A grade 8 engineering lesson where students weigh three PFAS treatment options with a decision matrix, judging removal, cost, energy, and waste trade-offs.
Grade 8 Worksheet
Verity Springs Pressure Zone: Elevation and House Pressure
A grade 8 worksheet where students compute house pressures from elevation differences, read 0.433 as the slope, and pick a fix for the house that falls short.
Grade 8 Lesson plan
Westmark Yard Truck Wash: Choosing a Water Recycling Loop
A 60-minute grade 8 lesson where students score three ways to stop a public works truck wash from draining to a creek, then check the winner against a budget limit.
Grade 8 Quiz & test questions
Amberlake's New Elevated Tank: A Grade 8 Volume and Cost Assessment
A grade 8 assessment on a fictional water authority's elevated tank, testing cylinder volume, scientific notation, and a systems-of-equations cost comparison.
Grade 8 Worksheet
Brackwater Bay's Desalination Pilot: A Scientific Notation Worksheet
A grade 8 worksheet using scientific notation to size a fictional desalination pilot, compare it to a real large plant, and test it against a capacity criterion.
Grade 8 Math problem set
Sizing Corvale's Stormwater Detention Basin: A Cylinder Volume Set
A grade 8 problem set using the rational runoff method and cylinder volume formula to size an underground detention basin for a fictional paved business park.
Grade 8 Worksheet
Foxhollow School Rainwater Cistern: A Linear Function Worksheet
A grade 8 worksheet modeling a rainwater cistern's fill, hold, and drain phases as linear functions of time, interpreting the rate of change from each phase.
Grade 8 Worksheet
Hartley Mills Wastewater: Basin or Constructed Wetland
A grade 8 worksheet solving a break-even cost equation for two wastewater treatment options and calculating BOD removal efficiency against a compliance standard.
Grade 8 Lesson plan
Ironbridge Community Garden's New Pump: A Break-Even Equation Lesson
A 45-minute grade 8 lesson writing and solving a linear equation to find the break-even operating hours between two irrigation pump options.
Grade 8 Lesson plan
Marrow Vale School Parking Lot: A Green Infrastructure Lesson
A 50-minute grade 8 lesson calculating peak stormwater runoff for a conventional versus a green-infrastructure parking lot and testing both against a criterion.
Grade 8 Math problem set
Nettlebrook Reservoir Spillway: A Grade 8 Scatter Plot Set
A grade 8 problem set where students scatter-plot eight years of rainfall and reservoir inflow data, fit a trend line by eye, and set a spillway capacity constraint.
Grade 8 Classroom activity
Model Check Dam for Quarry Hollow: A Design-and-Test Activity
A grade 8 build-and-test activity where teams construct a model check dam, measure how much simulated stormwater it holds back, and iterate for a second trial.
Grade 8 Math problem set
Two Treatment Plant Bids for Thistledown: A Systems of Equations Set
A grade 8 problem set where students write and solve a system of linear equations to compare two water treatment plant bids and test them against a cost criterion.
Grade 8 Lab / experiment
Booster Pump Lift Height and Flow Rate: A Grade 8 Testing Lab
A grade 8 engineering lab where students test how lift height affects a hand pump's flow rate, then graph the results on a scatter plot and fit a trend line.