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Listed under:  Society  >  Ethics
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Why become an engineer?

Are you interested in improving the way people live? What are some of the other reasons Ashwini Ranjithabalan gives for wanting to be an engineer?

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Catalyst: Impact of coming to school on carbon emissions

How big is your carbon footprint as you travel to and from school? Watch Daniel O'Doherty, 2008 'Action Against Climate Change' Eureka Schools Prize winner, as he determines his hypothesis then designs and conducts a study about carbon emissions. Listen to the recommendations he makes to reduce and offset the emissions ...

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Imagining other uses for robotics technology

It's cool to program robots to play football, but there are many more useful applications for programming robots to react to what they are seeing. What are some of the examples David McKinnon gives? Can you think of some more examples?

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First Tuesday Book Club: Ruth Park's wicked, sweet, funny masterpiece

When Ruth Park wrote 'The Harp in the South', little did she know the storm of controversy it would cause. But why did it cause such outrage? And how did it go on to become one of Australia's best-loved novels? To find out, we need to go back in time � or just watch this clip!

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Measuring Voltage

In this simulation students select to measure the voltage across one, two or three light bulbs in series to measure the voltage drop across one, two of three bulbs.

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Sea Urchins

This 7 minute video segment from Catalyst describes an excellent example of how biologists have worked to investigate and solve a problem of an invading species of sea urchin that was devastating a marine ecosystem. The scientific approach to develop a biological control needed to rely on technologies such as radio tracking ...

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Cloud seeding

This nine and a half minute video segment from Catalyst describes how researchers from Monash University have hard evidence that cloud seeding can produce good amounts of extra rainfall. Data collected over a long period of time has give hope to scientists and environmentalists who are trying to reduce the impacts of droughts ...

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Measuring Speed (Simulation)

Students use this resource consisting of a webpage with diagrams of three cars that students can vary the speed at which they are travelling. They can calculate the time to travel 3000m and then observe the cars as they travel the distance. This demonstrates how to work out the speed of a moving object and how to make calculations ...

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Giant Cuttlefish

This 12 minute video segment from Catalyst outlines the fascinating and unique features of the giant cuttlefish and its mass breeding at Point Lowly. Then it explains how scientists have determined the vulnerability of this species- the fact that the eggs are sensitive to high levels of salinity and the fact that they die ...

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Seahorses

This six and a half minute video segment from Catalyst shows one of the most beautiful and bizarre creatures under the sea, the seahorse. Their highly unusual reproduction has not been sufficient to overcome the impacts of habitat destruction and human predation.

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Density Simulation (sk-Intel)

This resource is in the style of an 'authentic' scientific investigation. The investigation is set in a crime lab where finding the densities of the various items can solve the crime. The tool enables students to explore mass and volume for a variety of solids and liquids and hence determine their densities.

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Water recycling

This 11 minute video segment from Catalyst provides an excellent explanation of the processes involved in recycling sewage for an urban water supply. It also provides a range of opinions and concerns in an excellent debate on the topic.

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Lens Simulation (sk- Intel)

Students learn about the application of light refraction by completing a series of tasks based on light refraction using both concave and convex lenses.

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Party locusts

This 8 minute video segment from Catalyst is an excellent example of animal behaviour of locusts as a successful adaptation and how understanding the behaviour can potentially help reduce the damage they cause.

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Mirrors Simulation (sk-Intel)

Students explore the reflection of light by plane mirrors and operate a simple periscope using ray diagrams.

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Jennifer Byrne Presents: Anything's possible

What are writers of Young Adult (or YA) fiction seeking to achieve? What obligations do they have to their audience, if any? In this clip, listen as four successful authors share their ideas on these things.

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Catalyst: Hemp is not a weed!

You may have heard about the cannabis plant and its use as the drug marijuana. But did you know it has two main varieties, one of them commonly called hemp? See how hemp differs from its 'cousin'. Find out more about the characteristics of hemp that make it a 'green' crop with plenty of potential.

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Spark: A better way to predict the spread of bushfires

In recent years, new technologies have helped us respond to natural disasters more quickly by providing up-to-date information as it becomes available. What if we could take this one step further with new technologies that can also predict disasters? Learn how Spark, which uses our existing knowledge of bushfire behaviours ...

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Returning water to Hattah Lakes

The two short videos in this series highlight the value of Hattah Lakes and the importance of ensuring that sufficient water replenishes the lakes during dry times. The videos explain how dams and weirs upstream store flood water that would otherwise fill the lakes. A collaborative engineering project reduced the environmental ...

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Introduction to Food Security

This is a video that defines and explores the concept of food security using animated illustrations, spoken commentary, and pauses for discussion. Identifying the accelerating growth of population and the proportion of people who are chronically hungry, it provides the United Nation's definition of food security and its ...