A team of science researchers from Mulawarman University successfully demonstrated that interactive learning and practical experimentation can dramatically improve high school students' comprehension of nanoscience
Bridging the Educational Gap in Advanced Nanoscience
Nanotechnology involves manipulating materials at the microscopic nanoscale of 1 to 100 nanometers
Despite its real-world importance, nanotechnology is rarely integrated into secondary school science programs
A Two-Session Framework: Concept Building and Green Synthesis
The research team at Mulawarman University utilized a descriptive quantitative design with a one-group pretest-posttest approach to measure learning gains
The educational intervention consisted of two distinct structural phases:
- Session 1: Concept Introduction and Presentation: Instructors taught the definition, scale, and unique properties of nanomaterials, including nanoparticles, nanotubes, and quantum dots
. To keep the abstract topics accessible, the team utilized interactive presentations and connected the technology to consumer goods like sunscreen, protective masks, and smartphones . - Session 2: Simple Nanotechnology Experiment: Students engaged in hands-on learning by performing a safe green synthesis of nanomaterials
. This laboratory session allowed the students to observe changes in material properties firsthand, turning theoretical data into a tangible physical experience .
To quantify progress, the researchers administered a multiple-choice pretest before the instruction began and a identical post-test immediately following the experiment
Data Verification: Massive Post-Test Score Increases
The comparative analysis of the testing instruments showed substantial improvements across all metric groups
- Mean Score: The overall average score increased sharply from 48.2 on the pretest to 82.6 on the post-test
. - Highest Score: The maximum grade recorded climbed from an initial 70 up to a perfect 100
. - Lowest Score: The minimum grade in the student group was successfully lifted from 30 up to 60
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To verify the true educational impact, the researchers calculated the normalized gain (N-gain)
Broader Implications for STEM Policy and Industry
The success of the NanoMaja Educational Program offers important insights for education policymakers, school administrators, and science educators
From an economic perspective, cultivating an early interest in nanoscience helps build a future workforce for high-tech manufacturing, medical technology, and green energy sectors
"Practical activities enable students to actively construct knowledge rather than passively receive information," stated the research team from Mulawarman University, emphasizing that hands-on inquiry significantly improves data retention
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While these short-term outcomes are highly promising, the authors recommend that future research utilize a larger sample size, incorporate independent control groups, and track student knowledge retention over several months to confirm long-term learning durability
Academic Profiles of the Principal Investigators
The community service research project was designed and conducted by a collaborative research team from Mulawarman University in Samarinda, Indonesia
- Noor Hindryawati, Ph.D. is a senior lecturer and researcher in the Department of Chemistry at Mulawarman University
. Her primary expertise is in advanced material chemistry, green chemical synthesis, and innovative secondary science education . - Co-authors Hajar Anuar, Subur P. Pasaribu, Alimuddin, Teguh Wirawan, Soerja Koesnarpadi, Chairul Saleh, Ilham Ali Nurdin, Arif Nur Sho'im, and Rizky Arianto are academic researchers and specialists affiliated with Mulawarman University who focus on community scientific literacy
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Research Source Metadata
Journal Article Title: NanoMaja: A Hands-on Educational Program to Enhance Nanotechnology Understanding among High School Students at SMA Gotong Royong Kota Bangun
Journal Name: Indonesian Journal of Society Development (IJSD)
Publication Year: 2026
Volume & Issue: Vol. 5, No. 3, pp. 215-222
DOI:
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