Smartphone-Based Measurement Techniques in Physics Education
Summary
Smartphone-based measurement techniques harness the suite of microelectromechanical sensors embedded within modern mobile devices to transform them into portable, cost-effective laboratories for physics education. Instruments such as accelerometers, gyroscopes, magnetometers, light and sound sensors can be accessed through user-friendly applications, enabling direct recording of kinematic, electromagnetic and optical phenomena. Typical implementations span classical mechanics topics—projectile motion, free fall, oscillations and rotational dynamics—as well as investigations into gravimetry, polarisation of light and solar irradiance. Data acquisition may be complemented by video-analysis tools, facilitating visual-data integration and enhancing experimental rigour. These approaches support inquiry-based learning, foster student engagement through hands-on exploration, and offer flexible deployment in both traditional laboratory and remote or resource-limited contexts. By embedding scientific measurement within familiar devices, educators can cultivate experimental design skills, data literacy and collaborative analysis. The global significance of these methodologies lies in their scalability and accessibility, reducing barriers to sophisticated experimentation and promoting equitable participation in physics learning across diverse educational settings.
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Smartphone-Based Measurement Techniques in Physics Education publication trend
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Technical terms
Accelerometer: A sensor that measures linear acceleration forces along one or more axes, widely used to record velocity and displacement in kinematic experiments.
Gyroscope: A sensor that detects angular velocity, enabling analysis of rotational motion and oscillatory dynamics in pendulum and balance experiments.
Magnetometer: A sensor that measures the strength and direction of magnetic fields, often employed in experiments involving electromagnetic phenomena.
Torsion pendulum: A mechanical system in which a mass suspended by a wire undergoes angular oscillations, used to determine shear modulus and analyse rotational dynamics.
Video analysis software: A digital tool that processes recorded footage to extract positional and temporal data, facilitating comparison between sensor measurements and visual observations.
References
- Quantitative Comparison between the Smartphone Based Experiments for the Gravity Acceleration Measurement at Home. Education Sciences (2021).
- Implementation of smartphone-based experimental exercises for physics courses at universities. Physics Education (2021).
- A physical pendulum experiment with Lego, Phyphox and Tracker. Physics Education (2023).
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