Science / Year 7 / Science as a human endeavour / Nature and development of science

Curriculum content descriptions

explain how new evidence or different perspectives can lead to changes in scientific knowledge (AC9S7H01)

Elaborations
  • exploring how scientists are re-examining the relationships between organisms to refine the classification of species as they discover new information or interpret evidence in new ways
  • investigating how the land management practices of First Nations Australians inform contemporary management of the environment to protect biodiversity
  • investigating how First Nations Australians’ traditional ecological and zoological knowledges inform sustainable harvesting practices of certain species, such as dugongs and turtles
  • researching developments in the understanding of astronomy, such as the predictions of eclipses and the calculation of the length of the solar year by Abu Abdallah Mohammad ibn Jabir ibn Sinan al-Raqqi al-Harrani al-Sabi al-Battani in the 10th century
  • investigating how aeronautical engineers’ understanding of the nature of the forces acting in flight have led to changes in the design of aircraft
General capabilities
  • Critical and creative thinking Critical and Creative Thinking
  • Literacy Literacy
ScOT terms

Paradigms,  Evidence,  Scientific inquiry,  Observations (Data)

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Creating an Indigenous plant-use garden: vision

Planning for an Indigenous plant-use garden is a good way to develop a connection with and respect for First Nations people's perspectives. Use this learning activity to explore exciting ideas, create goals and understand more about successful Indigenous plant-use garden projects. Outcomes of this learning activity are ...

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Sustainable classrooms

In this set of learning activities, students explore how the environmental impact of human development can be reduced in the context of their school’s use of energy and material resources. Students have the opportunity to make positive, practical and actionable changes at a school level. They engage in planning for greater ...

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The power of science photography

Visual art and science are often considered to be separate fields. Watch as Phred Petersen talks about the way he combines his passions of photography and science. What is the role of technology in enabling this crossover? What kinds of scientific discoveries can be assisted by high-speed photography? And how can scientific ...

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Catalyst: How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

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Thermal comfort – sustainability action process (Years 7–10)

This thermal comfort learning resource will guide students through an extended school based investigation. Students will develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.

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Biodiversity – sustainability action process (Years 7–10)

This biodiversity learning resource guides students through an extended school based investigation. Students develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.

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Testing the 5-second rule

When it comes to dropping food, have you heard of the 5-second rule? Or the 3-second rule? Watch this video to learn what really happens when you drop food. In order to cause disease, what must bacteria do? What circumstances allow bacteria and viruses to contaminate food more successfully?

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What are microbes?

What are microbes? What are the four major groups that most microbes belong to? Listen as Dr Taghrid Istivan explains where microbes are found. What is the name of the group of microbes she describes as beneficial to our health? Can you explain what happens when people get food poisoning?

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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.

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Syllabus bites: Solving world problems with biotechnology

This web page is designed to help students to understand the history of biotechnology and how it contributes to solving real-world problems such as disease and waste disposal.

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Chemicals on the Great Barrier Reef

This program deals with a range of human impacts on the Great Barrier Reef. Herbicides from land runoff have been traced to algae and sea grasses in river mouths and coastal zones along the Great Barrier Reef. Effects include retardation of photosynthesis and growth of corals. Other pressures on the reef include high water ...

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Creating an Indigenous plant-use garden: plant list

For thousands of years, First Nations peoples across Australia have been growing and cultivating plants. Plants are grown for many different purposes, including food, tools, medicine, shelter, clothing, hunting, carrying, water craft, ceremony and land management. Everything they needed to survive is provided by the bush. ...

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Creating an Indigenous plant-use garden: resources from the bush

For thousands of years, First Nations peoples across Australia have been using plants for many different purposes. Plants are used for food, fibre, shelter, medicine, tools and utensils, hunting, music and ceremony. Everything they needed to survive comes from the land. Outcomes of this learning activity are for learners ...

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Creating an Indigenous plant-use garden: planting

The outcomes of this learning activity are for children to: follow instructions and a planting plan; understand the steps involved in planting out and maintaining a successful Indigenous plant-use garden enjoy being active and productive outdoors and build their social and teamwork skills; physically be involved in the ...

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Catalyst: What is a megafire?

Join Catalyst reporter Anja Taylor as she visits the Jemez Mountains in New Mexico and discovers the impacts of recent megafires on the landscape there. What is a megafire? And how is a megafire different from a regular wildfire? How have recent fires permanently transformed the landscapes that Anja and Professor Craig ...

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Working towards a renewable energy future

Listen to electrical engineering student Kulsoom Hussain describe her dream career. What are some of the challenges she says she'll face in trying to achieve her goals? What can you find out about the energy sources used in Australia? How much renewable energy is used to power our country?

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Anatomy of a raindrop

The water cycle is the circulation of water on, in and above Earth and it involves a number of stages and changes of state. This clip describes the water cycle and also how modern technology has contributed to our understanding of the shape of raindrops and its relationship to precipitation. Discover how raindrop shape ...

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Royal Botanic Gardens

This seven and a half minute video segment from Catalyst emphasises the importance of collections in science. The Royal Botanic Gardens is the oldest scientific research organisation in Australia. The history of the gardens is outlined up to its current status as the home to almost 9,000 different species of plants. Paul ...

Interactive

Energy chains: energy use

Select energy sources and energy converters to build energy chains to power appliances and vehicles. Examine how each energy converter in a chain loses some energy and reduces the energy available for use. For example, show that using a solar panel and an electric motor to drive a car delivers only 16% of the original ...

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In digestion

Follow the passage of food through the human body. Select foods and drinks and decide how to digest them. For example, choose to chew, to add saliva to the mouth or add gastric juices to the stomach. Watch how the body reacts to changes. Find out more about digestion along the way and answer questions.