Science / Year 8 / Science as a Human Endeavour / Nature and development of science

• TLF-IDM016773

An interview and tour of the Royal Botanic Gardens of Sydney and its herbarium with Dr Tim Entwistle, a plant scientist and the NSW Government Botanist. Tim talks to a pre-service teacher from Macquarie University about his love of plants, in particular freshwater algae. In the herbarium we find out why it is so important ...

• TLF-IDM016174

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 ...

• TLF-IDM020192

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?

• TLF-IDM018844

Graphene is perhaps the most significant new material produced in recent years. It has many potential applications in electrical devices, biomedical technology and solar energy. Graphene is a form (allotrope) of carbon with some special chemical and physical properties. Watch this clip to explore the molecular structure, ...

• TLF-IDA002851

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 ...

• TLF-IDA002855

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 ...

• TLF-IDM020880

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.

• TLF-IDA002853

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. ...

• TLF-IDR9534

This is an edited sound recording of Sir Gustav Nossal describing the medical research for which he became internationally known. He outlines his contributions to the emerging science of immunology in the 1950s-70s, and how other researchers have been able to make further discoveries based on his initial work. The recording ...

• TLF-IDL2357

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 ...