South Australian Science Teachers Association
Decoding the Universe at St Peter’s Girls – National Science Week 2025
Posted by SASTA
on 04/09/2025
This year’s National Science Week theme, “Decoding the Universe – Exploring the Unknown with Nature’s Hidden Language”, gave us the perfect excuse to turn our School into a buzzing hub of curiosity. With the International Year of Quantum Science and Technology also in focus, we aimed to design experiences that would prompt students to pause, ponder, and begin asking their own questions.
We kicked off with Ride the Cosmic Code: Nature’s Patterns in Motion, transforming the gym into a playground of forces and motion. Hoverboards became a fun way to “feel” Newton’s Laws in action, while a Van de Graaff machine, magnetic stations, and PASCO rollercoasters made the invisible suddenly visible. Students didn’t just learn about forces – they experienced them, laughed about them, and could see the science happening right in front of them.
Tuesday’s The Hidden Rainbow: Nature’s Colour Code Unveiled was all about the colour you could taste. Out on the lawn, Butterfly Blue Tea shifted from deep blue to purple or turquoise with just a splash of apple juice or coconut water. Inside, students built their own “pH rainbow,” filling the lab with winter-bright colour and lots of “wow” moments.
Midweek brought Science in a Spin: Unlocking Hidden Patterns, where girls created spinning optical illusions called thaumatropes. The simple act of twirling two images together sparked conversations about how our brains process light, sight, and movement.
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Thursday’s Swirl and Storm: Cracking Nature’s Weather Code invited students to create miniature storms in jars – swirling up clouds and rain while exploring how weather patterns form.
We ended with Popcorn + Particles, a relaxed celebration of the week in our Jeffreys Linn Arts Centre. Students tucked into popcorn while watching a mix of science clips and experiments on the big screen – the perfect balance of entertainment and inspiration.
Our youngest learners weren’t left out. In the Early Learners’ Centre, bespoke sessions like “Rainbow Alchemy,” “Magnetic Murmurs,” and “Colour Codes” gave little hands and big imaginations their own taste of discovery. Senior Physics teachers also joined in during the week to make quantum concepts playful and accessible.
It was a week filled with movement, colour, and conversation – all anchored in the idea that science isn’t just something you learn; it’s something you live, question, and share.
Melissa Lee
STEM Innovation Leader
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