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Lasse Leponiemi

Chairman, The HundrED Foundation
first.last@hundred.org

Sound Physics Lab: Sustainable STEAM Learning

place Croatia

Transforming physics learning through sound, creativity, sustainability and student-designed solutio

Sound Physics Lab transforms abstract physics concepts into hands-on STEAM learning. Students explore sound waves, frequency by designing, building and testing sustainable sound installations, including student-created harp models and other sound structures from recycled materials. Through inquiry and creativity, students develop scientific thinking, collaboration and environmental awareness.

Overview

Information on this page is provided by the innovator and has not been evaluated by HundrED.

Updated July 2026
Created by

Slavica Bernatović, Teacher, Tehnička škola Slavonski Brod

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Web presence

2026

Established

1

Countries
Students upper
Target group
Through Sound Physics Lab, I hope to contribute to a shift from traditional, content-focused physics education toward more active, meaningful and student-centred learning experiences. I would like to see students become not only receivers of scientific knowledge, but also investigators, designers and creators who use science to understand and solve real-world challenges. By connecting physics with creativity, engineering, sustainability and collaboration, students can develop deeper understanding and greater confidence in applying scientific concepts. The innovation aims to support a learning culture where curiosity, experimentation and problem-solving are valued, and where all students can find meaningful ways to participate in STEAM education regardless of their previous experience or background. Ultimately, I hope to encourage more schools to adopt inquiry-based approaches in which students learn science by exploring, creating, testing and improving their own ideas.

About the innovation

Why did you create this innovation?

Many students experience physics as an abstract subject focused mainly on formulas and theoretical concepts, which can make it difficult to connect learning with real-world phenomena. Sound Physics Lab was created to provide a more meaningful, student-centred approach where learners actively explore physics through designing, building, measuring and improving real objects.

The innovation combines physics, engineering, art, mathematics and sustainability in a STEAM learning environment. By creating sound installations and investigating concepts such as frequency, amplitude and resonance, students move from passive knowledge acquisition to active scientific inquiry.

The approach was designed to increase students’ engagement, curiosity and confidence in applying scientific knowledge to authentic problems. It also supports inclusive participation by offering different entry points for students with diverse interests and abilities, connecting scientific investigation with creativity and practical construction.

What does your innovation look like in practice?

In practice, Sound Physics Lab is implemented as an inquiry-based STEAM learning sequence. Students begin by exploring sound phenomena through experiments and measurements. They investigate relationships between physical variables such as string length, material properties, tension and vibration frequency.

Students then design and create sound installations, including harp models and other sound-producing structures, using recycled, sustainable or locally available materials. They test their designs, analyse results, modify structures and reflect on how design choices influence acoustic properties.

The activities combine hands-on construction, physics experiments, mathematical modelling, digital documentation and creative expression. Students work collaboratively, document their process through photos, videos and diagrams, and share their outcomes through exhibitions or international collaboration activities.

How has it been spreading?

The innovation has been developed through classroom implementation in vocational secondary education and shared through educational networks and international collaboration activities.

The approach is designed as an adaptable framework rather than a fixed project. Schools can implement the concept using different materials, available resources and local contexts while maintaining the same learning goals: inquiry-based physics learning, sustainable design, creativity and collaboration.

Examples of activities and learning outcomes have been shared through digital platforms, educational projects and collaboration with teachers interested in STEAM approaches. The flexible structure allows other educators to adapt the model to different age groups, subjects and learning environments.

How have you modified or added to your innovation?

The innovation has evolved from individual physics investigations into a broader STEAM learning framework. Initially, activities focused on exploring sound physics through student-built models and measurements. Over time, additional elements were integrated, including sustainability, creative design, mathematical modelling, digital documentation and international collaboration.

The project has also expanded from investigating physical concepts toward developing students’ broader competencies, including teamwork, problem-solving, creativity and communication. Future development includes exploring additional technologies and interdisciplinary connections to further enrich the learning experience.

If I want to try it, what should I do?

To implement Sound Physics Lab, educators can begin with a simple investigation of sound phenomena using accessible materials. Students can explore vibration, frequency and resonance by creating basic string instruments or sound structures from locally available or recycled materials.

A recommended implementation sequence is:

1. Introduce sound concepts through demonstrations and experiments.
2. Allow students to design and build their own sound-producing structures.
3. Measure and analyse acoustic properties.
4. Improve designs based on evidence and reflection.
5. Share results through presentations, exhibitions or digital platforms.

The innovation does not require specialised equipment. The core idea is the learning process: students investigate, create, test and improve solutions while connecting physics with creativity and sustainability.

Implementation steps

Explore the physics of sound
Students begin by investigating sound phenomena through experiments and demonstrations. They explore vibration, frequency, amplitude and resonance and discuss how physical properties influence the sounds we hear.
Develop a design concept
Develop a design concept
Students design their own sound-producing structures. They decide how to create their instruments and select appropriate materials and techniques according to their ideas and available resources.
Create sustainable sound installations
Create sustainable sound installations
Students build their designs using different approaches. Some students create harp models using the string art technique, while others design and produce harp bodies using digital fabrication methods such as 3D printing. Recycled, sustainable or locally available materials are encouraged.
Measure and analyse sound properties
Measure and analyse sound properties
Students use digital applications to measure the vibration frequency of each string. They compare results, investigate relationships between string length, material properties and frequency, and connect experimental data with physics concepts and mathematical modelling.
Improve designs based on evidence
Improve designs based on evidence
Based on measurements and observations, students modify their structures, adjust design parameters and evaluate how changes influence sound production.
Document, present and reflect
Document, present and reflect
Students document their learning process through photos, videos, measurements and explanations. They present their outcomes and reflect on the connections between physics, engineering, creativity and sustainability.