A 9-page unplugged STEM rotation pack on water filtration, flow rate math, cross-section blueprints, treatment algorithms, and environmental chemistry.
Bring hands-on environmental engineering, real-world math, technical cross-section drawing, water treatment plant logic, and critical STEM reading comprehension into your classroom with STEM Station Pack 2: Water Filtration! This 9-page printable resource is completely unplugged (no computers needed for students) and designed to run smoothly as a 60- to 75-minute rotation lab or whole-class activity using simple, low-cost materials.
What Is Included in This 9-Page Pack?
Page 1: Teacher Setup & Master Guide: Detailed master supply checklist, classroom table setup diagram, pre-class prep steps, and rotation timing tips.
Page 2: Student Answer Sheet (1-Page Master Handout): Single, organized sheet for students to clip to a clipboard and carry from Station 1 to Station 5.
Page 3: Station 1 Sign (The Filter Build Lab): Students build multi-stage water filters using plastic cups, coffee filters, sand, and gravel, then run a 100mL flow test to measure volume output, time, and clarity.
Page 4: Station 2 Sign (Budgeting & Flow Rate): Students calculate construction costs using a standardized price list and compute their custom flow rate and Performance Score.
Page 5: Station 3 Sign (Technical Cross-Section): Students sketch a neat, labeled cross-section blueprint of their filter assembly, including metric layer measurements.
Page 6: Station 4 Sign (Water Treatment Algorithm): Students analyze an automated water treatment flowchart (If/Then logic) to determine safe emergency actions based on turbidity and contaminant sensors.
Page 7: Station 5 Sign (Real-World Case Study): Students read a short passage on The Flint Water Crisis, learning about acidic water, orthophosphate, and lead pipe corrosion.
Page 8: Detailed Teacher Answer Key: Fully worked math examples for cost and flow rate, structural analysis, logic responses, and reading answer guidance.
Page 9: 10-Point Master Grading Rubric: Clean, single-page rubric assessing every station on a 0-to-2 point scale for easy grading.
Learning Objectives & Alignment:
NGSS MS-ETS1-1, MS-ETS1-2: Engineering Design & Failure Analysis
NGSS MS-ESS3-3: Human Impact on Environmental Systems
CCSS.MATH.PRACTICE.MP1 & MP4: Real-World Math & Flow Rate Modeling
Unplugged CS Concepts: Conditional Logic, Automated Systems, and Treatment Algorithms
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$4.50