Science

In Year 9 Science, learners explain how an organism's survival depends on its ability to regulate coordinated responses to stimuli. They investigate reproductive structures and strategies, discussing their role in biodiversity and survival. Learners explain how interactions within and between Earth’s spheres affect the carbon cycle and influence climate change. They analyse energy conservation in closed systems, using wave and particle models to explain energy transfer, transformation and efficiency through different mediums. Learners explain how chemical reactions rearrange atoms and use models to demonstrate the conservation of mass. They compare the mass and charge of subatomic particles, explain how radioactive decay stabilises atoms by emitting particles and radiation, and examine its applications, including nuclear energy.

CONTENT

The following topics provide the framework for learning throughout the year, but not necessarily in this order:

• Responding to change
• Earth’s systems
• Survival of species
• Atoms
• Chemical reactions
• Energy waves
• Energy conservation

ASSESSMENT

Students are assessed against the science curriculum standards. Evidence of student achievement will be gathered through tests, assignments and practical reports.