Science / Year 9 / Science Understanding / Biological sciences

Curriculum content descriptions

Multi-cellular organisms rely on coordinated and interdependent internal systems to respond to changes to their environment (ACSSU175)

Elaborations
  • describing how the requirements for life (for example oxygen, nutrients, water and removal of waste) are provided through the coordinated function of body systems such as the respiratory, circulatory, digestive, nervous and excretory systems
  • explaining how body systems work together to maintain a functioning body using models, flow diagrams or simulations
  • identifying responses using nervous and endocrine systems
  • investigating the response of the body to changes as a result of the presence of micro-organisms
  • investigating the effects on humans of exposure to electromagnetic radiations such as X-rays and microwaves
ScOT terms

Nervous system,  Plant hormones,  Endocrine system,  Immune system,  Homeostasis

Text

Animal survivor

This resource provides a scaffold for students to analyse the features of a Queensland animal and relate them to its survival success. Students then conduct the animal design challenge: Engineering new features for their animal to increase its chance of survival and future success. Students also make predictions about how ...

Video

Why do people get itchy?

Ever wondered what's happening when you get an itch? Watch as Dr Karl Kruszelnicki explains. What are the nerves under your skin reacting to, when they get triggered into action? What is the itch sensation telling your body?

Video

Unlocking the key to why chillies are hot

Have you ever eaten hot chilli and wondered why your mouth feels like it's on fire? Watch this clip to find out all about the science of chillies, including what makes them hot, why they are hot and why they cause so much pain when we eat them.

Interactive

Science Talk 2007: Annemarie Hennessey

An interview and visit to a hospital room with Professor Annemarie Hennessy, a medical researcher at the University of Western Sydney (UWS). Annemarie talks to a teacher about her work in researching the relationship between the placenta and the mother's blood pressure, and about her career and future directions.

Text

Spare parts

This ABC In Depth feature article deals with the historical and future development of our use of implants including the bionic ear and eye. Research into tissue regeneration and bionic regeneration is outlined. A bionic eye, a new heart grown in the lab, spinal implants that will help quadriplegics walk again. This provides ...

Interactive

Science talk 2007: Adam Cawley

An interview with Adam Cawley, a chemist and scientist from the Royal Australian Chemical Institute, who is an expert in drug testing in sport. Adam talks to a teacher from Killara High School about working as a chemist, and the challenges in drug testing.

Video

Brainy bees

This six and a half minute video segment from Catalyst shows how understanding bees process information from their compound eyes may help in designing better surveillance systems. This program is useful for discussion of the methods of scientific research into behaviour and perception.

Video

Vitamin D

This 8 minute video segment from Catalyst shows how research can also help us to optimise our health, especially into older age. It describes an example of how sometimes research gives us mixed messages. Sun exposure helps our body to produce the hormone, vitamin D but it also increases incidence of melanoma.

Video

Rat Nav

This 5 minute video segment from Catalyst shows how University of Queensland scientists have created a computer program which mimics the way a rat navigates, in the hope of one day giving future robotic vehicles the ability to explore and map their environments by themselves.

Video

Eggs on ice

This 11 minute video segment from Catalyst addresses some economic, social and scientific issues around the development of reproductive technologies.

Video

CMT disease

This seven and a half minute video segment from Catalyst describes CMT (Charcot-Marie-Tooth disease) is Australia's most common genetic neurological disorder. Vitamin C, particularly when taken at a young age appears to reverse this effect. A good example of the scientific method.

Audio

Diabetes type 2 cured by surgery ABC Radio national

Download the audio or view the transcript of this ABC radio program. It is an excellent example of how approaching a problem from a different perspective and with an open mind may result in an amazing solution. Richard Stubbs, and New Zealand scientist, claims type 2 diabetes is a disease of the gut. If his hypothesis is ...

Text

Catchment management: where the river meets the sea

Eighty-five percent of Australians live within 50km of the coast. This activity looks at the waste that washes downstream in our catchments, the impacts it has on our estuaries, wetlands and coastal areas where the rivers meets the sea. Students will: understand the different journey water takes through a catchment; learn ...

Text

Catchment management: what’s in a drop?

Water is a precious resource, yet water is also wasted every day. This activity investigates water consumption and how you can reduce the amount of water wasted. OUTCOMES of this learning activity are for students to: understand the urban water cycle; learn different ways to reduce water usage; discover how much water is ...

Text

Catchment management: the drain is just for rain

Stormwater originated as rain and flows into creeks, rivers and other water bodies. Any rubbish or chemical pollution collected during this journey can end up polluting the waterways. This activity looks the impacts of stormwater and rubbish in our waterways. Outcomes of this learning activity are for students to: understand ...

Text

Catchment management: water sustainability

Water is an important resource, and is required by all living species to survive. Water is also important for many industries and businesses. This activity investigates the different land uses over time across your local catchment. OUTCOMES are for children to: understand the natural and urban water cycle; learn about the ...

Interactive

Brain Quiz

This is a ten question multiple choice quiz that gives students feedback on their understanding of the role of the brain in interpretation of signals and the coordination of behaviour and maintaining humans as functioning organisms. Non-threatening quiz that gives explanations with the feedback.

Video

BTN: Cancer - when the baddies take over

Cancer is a major disease in Australia and there are many different types, including leukaemia, and breast and skin cancers. View this clip to discover more about how cancer forms, why it occurs, and what cancer research is being done.

Video

BTN: Wasted by alcohol abuse

Consuming alcohol affects our bodies. Find out what alcohol actually does inside the human body and the organ that 'fights' to reduce its harmful effects. Discover why alcohol is literally a 'waste' product.

Video

BTN: Colour blindness - seeing the world differently

The ability to see colours is an important human trait, but did you know some people's colour vision is impaired. View this clip to discover what it means to be colourblind and how it happens. Find out also about the extraordinary colour vision of the dunnart, and why it is important for this nocturnal marsupial.