Science / Year 7 / Science as a Human Endeavour / Nature and development of science

• 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 energy ...

• TLF-IDM014089

This is a unit of work designed to help students investigate the similarities and differences between a range of organisms including plants, animals and micro-organisms. Students use these variations to organise and classify organisms according to accepted hierarchial categories. They examine the need for scientists to ...

• TLF-IDM015429

<span style="color: rgb(51, 51, 51);">Discover how space exploration has developed over the years. Find out about different space missions and experiments, and a range of spacecraft from the early probes to more complex shuttles. Where do you think space exploration might take us in the future?</span>

• TLF-IDL2011

Join a team of palaeontologists working on an Australian megafauna dig site. Dig up and describe a megafauna jaw bone or skull. Use tools such as a pick, rock hammer and scraping knife. Prepare the fossil for removal using tools such a fine brush, glue and plaster. See how the features of the bone are used to identify the ...

• TLF-IDM020605

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?

• TLF-IDM020174

Watch and listen as Dr Graham Phillips explains what has been discovered about our universe in the last decade or so. What did the WMAP satellite study? What did it confirm? The scientists in this story talk about being surprised to find that the universe is expanding at an increasing pace. What do they say is responsible ...

• TLF-IDM016404

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.

• TLF-IDM015437

Learn how Galileo Galilei's work overturned Aristotle's ideas about falling objects and led to an understanding that Earth revolves around the sun. Find out how Isaac Newton showed that the laws of motion on Earth and in space are the same, and that he discovered that the gravitational force of attraction between any two ...

• TLF-IDM020213

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 ...

• TLF-IDM015837

Australia has a long and proud history of excellence in science. How should we celebrate this? Watch this clip to find out about an Australian organisation that recognises and promotes outstanding scientific achievement. You'll also find why its Canberra headquarters is referred to as 'the flying saucer'!