HSC Chemistry

We use chemistry everyday to treat, monitor and manage the urban water cycle.

We've developed a range of educational resources to show how we do this.

Want to request an excursion?
You can learn about our high school excursions and make excursion requests online.
Cartoon of urban wter cycle

We use chemistry every day to manage and monitor the urban water cycle.

Investigate these links and learn more about how water is filtered and monitored. 

Cartoon of people in house driniking water

We all enjoy clean, safe drinking water every day.

Investigate these links and learn more about how wastewater is treated and how we make recycled water.

Cartoon of recycled water and urban Sydney landcape in a water drop

Using recycled water where we can helps us all.

Understanding pH

Balancing chemical equations

The following resources will help you understand the chemistry behind the treatment process at Orchard Hills Water Filtration Plant.

Make a simple water filter

Make a membrane model


Drinking water


Reliability and validity

Depth study program

Looking for inspiration for a whole class depth study? Take a look at our depth study programs and sample assessment tasks.

Each program gives you ideas for four hours of in-class activities that will support our Stage 6 Chemistry depth study excursions.

Other lesson plans

Cartoon Sydney Water scientist dropping liquid into beaker with eye dropper.

We apply scientific principles everyday to manage the urban water cycle.

HSC Earth and Environmental Science

Community - Education Centre - 15870

HSC Earth and Environmental Science webpage has fact sheets, activities, lesson plans and depth study programs on the urban water cycle.

See our HSC Earth and Environmental Science page for more information.

Syllabus-linked excursion requests

lab testing

Come behind the scenes and see how we apply chemistry to protect public health and the environment as we manage water and wastewater sustainably.

See our Request an excursion page to book an excursion tailored to HSC Chemistry.