Grade 3 Lab / experiment
Barleyford Slope Ground Covers: A Grade 3 Fair Test
A grade 3 tray investigation comparing bare soil, a grass mat, and wood chips on a tilted slope, then adding a stone row and retesting the best cover.
Water Engineering & Design · Grade 3
Students take on design and testing challenges drawn from real infrastructure, including filters, towers, dams, and stormwater improvements, with budgets and constraints.
19 materials written for this grade · refine by type, topic, or standard in the catalog
Grade 3 Project
Brindlewood Cafeteria Grease Catcher: A Grade 3 Design Project
A five-session grade 3 project building a sink catcher for a fictional school kitchen, tested twice against stated flow, catch, and cleaning limits.
Grade 3 Quiz & test questions
Coppergate Screen Choice: A Grade 3 Design and Math Quiz
A grade 3 quiz where students work out daily cleaning times for three bar screens at a fictional plant, then choose the screen that meets both goals.
Grade 3 Worksheet
Elmbury Orchard Watering Design: A Grade 3 Worksheet
A grade 3 worksheet comparing a sprinkler and a drip line at a fictional orchard, using liters and setup minutes to pick a design and improve it.
Grade 3 Classroom activity
Hartsmere Ridge Land Placement: A Grade 3 Design Challenge
A grade 3 model watershed challenge where teams place land cards and one grass strip on a paper ridge, then test two placements to protect a town water intake.
Grade 3 Graphic organizer
Limbrook Creek Mud Problem: A Grade 3 Design Frame
A grade 3 organizer that walks students from a muddy runoff chain behind a fictional school to written design goals, limits, and a choice between two fixes.
Grade 3 Graphic organizer
Longmoor Dry Summer Water Plan: A Grade 3 Design Organizer
A grade 3 decision organizer where students chart three water-saving fixes for a fictional school against a weekly saving goal and three stated limits.
Grade 3 Math problem set
Lowmeadow Park Pipe Loop: A Grade 3 Design Math Set
A grade 3 problem set measuring two water pipe routes around a fictional park ball field, then choosing the plan that reaches four fountains within a limit.
Grade 3 Quiz & test questions
Pinfold Farm Well Cover Choices: A Grade 3 Design Quiz
A grade 3 engineering quiz on three well cover designs for a fictional farm town, sorting design goals from limits and judging which cover to build.
Grade 3 Classroom activity
Pipergate Low Pressure Design Review: A Grade 3 Role Play
A grade 3 role play where four water utility roles weigh a booster pump against a wider pipe for a fictional hilltop street and must agree on one fix.
Grade 3 Worksheet
Birchpond Water Tower and Pipe Map: A Grade 3 Worksheet
A grade 3 engineering worksheet where students read a water tower and pipe plan for the town of Birchpond and add, subtract, and multiply to size the design.
Grade 3 Lesson plan
Ferngate Flood Barrier: A Grade 3 Model Levee Design
A grade 3 engineering lesson where students build and test a clay-and-stick levee to keep model Ferngate dry when Otter Run floods, then judge the design.
Grade 3 Lesson plan
Larkspur Farm Water Lift: Designing a Tool to Raise Water
A grade 3 engineering lesson where students design and compare two tools that lift water from a low tub to a higher tub, modeling how a pump moves water uphill.
Grade 3 Classroom activity
Marsh Bend School Water-Saving Redesign Stations
A grade 3 engineering station-rotation activity where teams redesign four spots in a fictional school to save water and compare their fixes against a shared goal.
Grade 3 Lesson plan
Quarry Ridge Model Dam: Building a Reservoir on Slate Creek
A grade 3 engineering lesson: students fair-test dam materials to hold back model Slate Creek, then solve liquid-volume word problems about their fictional reservoir.
Grade 3 Classroom activity
Sedge Creek Farm Irrigation Channel Design Challenge
A grade 3 engineering activity where teams build and fair-test a tray channel that carries water from a well to three crop rows with the least spill.
Grade 3 Lab / experiment
Stonewick Settling Tank: A Grade 3 Water-Clearing Fair Test
A grade 3 engineering lab where students model a settling tank, change only the rest time in a fair test, and measure how much clear water forms on top of the mud.
Grade 3 Worksheet
Willowmere Water Plant Steps: A Grade 3 Design Worksheet
A grade 3 engineering worksheet where students order the cleaning steps at the fictional Willowmere water plant and compare two plant layouts to pick the better design.
Grade 3 Project
Camp Alder Creek Filter Challenge: A Grade 3 Design Project
A four-session grade 3 engineering project where teams design and fair-test a sand and gravel filter for a fictional camp's muddy creek water on a fixed budget.