Pumping Heart Chamber Fluid Dynamics STEM Lab (BIO02) | Middle School Life Science (Grades 6-8)

? Pumping Heart Chamber Fluid Dynamics STEM Lab (BIO02)

Explore circulatory system anatomy, cardiac pressure differentials, one-way valve mechanics, fluid flow rates, and stroke volume! The Pumping Heart Chamber Fluid Dynamics STEM Lab (BIO02) challenges middle school student teams to act as biomedical engineers, constructing a working mechanical heart model to investigate how pressure differentials and one-way valves circulate fluid.

Students explore cardiac muscle contractions, atmospheric vs. chamber pressure, valve regurgitation prevention, stroke volume, and cardiac output math!

? WHAT IS INCLUDED IN THIS 3-PAGE PACKET?

• ? Page 1: Teacher Guide & Lesson Plan: NGSS alignment (MS-LS1-2, MS-LS1-3, MS-ETS1-2), target science concepts, and fluid station setup guide. Expected student outcomes, answer keys, and cleanup safety rules.

• ? Page 2: Student Mission Card & Blueprint: Real-world biomedical engineering and artificial heart device scenario hook. Clear material limits box (jar, balloon, straws, tape, rubber band, colored water, graduated cylinder, timer). Dedicated Cardiac Chamber & Fluid Valve Schematic sketching zone.

• ? Page 3: Testing Log & Scientific Reflection: Structured Data Testing Table (total beats, fluid volume pumped mL, stroke volume mL/beat, valve leak notes). Applied Math Connection (calculate Stroke Volume and Estimated Cardiac Output mL/min). Physics reflection questions.

? CORE STEM SKILLS COVERED:

• Biomedical Engineering & Cardiovascular Fluid Biomechanics

• Fluid Pressure Differentials & One-Way Valve Mechanics

• Cardiac Stroke Volume & Volumetric Flow Rate Analysis

• Data Logging, Liquid Volume Measurement (mL), and Multiplication/Division Math

? WHY TEACHERS LOVE THIS RESOURCE:

• 3-Page Professional Layout: Includes a complete Teacher Guide for seamless prep, keeping student lab sheets clean and ready to print!

• Low-Cost Materials: Uses simple plastic cups/jars, balloons, drinking straws, tape, rubber bands, water, and graduated cylinders.

• High-Impact Life Science Lab: Transforms abstract cardiovascular anatomy into a hands-on, interactive pumping model students love testing!

• Format: High-resolution, print-ready PDF format (3 Pages).

Target Grades: 6th, 7th, 8th / Middle School

Subject Area: Life Science, Biology, Human Body Systems, Circulatory System, STEM Labs, Anatomy

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