--- title: 'Chemical Reaction' url: 'https://greenbayhigh.school.nz/news/term-2-2025/chemical-reaction' markdown: 'https://greenbayhigh.school.nz/news/term-2-2025/chemical-reaction.md' date: '2025-09-19' description: "Ending Term 3 with a Bang: Last week's sudden downpour put a damper on putting a chemical reaction theory to the test. However, today's conditions were conducive to a few oooh's and ahhhh's! Year 9 and Year 10 students watched a scientific demonstration (by teachers Zev Fishman and Vivienne Milton…" --- Chemical Reaction Testing Theory ![chemical reaction](https://greenbayhigh.school.nz/images/e/f/c/0/4/efc04de73dc9497a28f55730eed18659aa783fb6-chemical-reaction.jpg "chemical reaction") # Chemical Reaction Friday, 19th September 2025 at 10:20am ##### Ending Term 3 with a Bang: Last week's sudden downpour put a damper on putting a chemical reaction theory to the test. However, today's conditions were conducive to a few oooh's and ahhhh's! Year 9 and Year 10 students watched a scientific demonstration (by teachers Zev Fishman and Vivienne Milton) exploding sodium metal. Sodium metal reacts with water to produce hydrogen gas, which can cause an explosion if trapped under the water's surface. Navigate - [ Home ](https://greenbayhigh.school.nz/) - [ About Us ](https://greenbayhigh.school.nz/about-us) - [ Enrolment ](https://greenbayhigh.school.nz/enrolment) - [ Learning ](https://greenbayhigh.school.nz/learning-areas) Contact Contact us: [https://greenbayhigh.school.kiwi/contact\_us](https://greenbayhigh.school.kiwi/contact_us)Green Bay High School 143 - 161 Godley Road, Green Bay Auckland 0643 New Zealand PO BOX 80002 | | | |---|---| | Tel | [+64 9 817 8173](tel:+6498178173) | | Absences | [Ext. 234 or press ‘1’ (one)](tel:+6498178173,234) | | Email | | | CONTACT US | [https://greenbayhigh.school.kiwi/contact\_us](https://greenbayhigh.school.kiwi/contact_us) | For contact details of individual staff, including Year level deans, please navigate to our [staff directory](https://greenbayhigh.school.nz/about-us/staff) Kōtuitui Community Green Bay High School is proudly part of the Kōtuitui community of learning, a learning network of 12 West Auckland schools. To learn more about the Kōtuitui community please click [HERE](https://greenbayhigh.school.nz/community/kotuitui). [![Kotuitui Community of Learning](https://greenbayhigh.school.nz/user/themes/gbhs/images/kotuitui.svg)](https://greenbayhigh.school.nz/community/kotuitui) --- ## Navigation - Parent: [Term 2 2025](https://greenbayhigh.school.nz/news/term-2-2025.md) - Previous: [Check Emails!](https://greenbayhigh.school.nz/news/term-2-2025/check-emails.md) - Next: [Chloe Poole (Yr 12)](https://greenbayhigh.school.nz/news/term-2-2025/chloe-poole-yr-2.md)