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Atoms of Fire: Building models of organic molecules

Have you seen the model of long-chain carbon molecules first developed by Friedrich August Kekulé? This model enabled chemists to make a great leap forward in their understanding of the structure of organic molecules. See how to represent the structure of methane, ethane, propane, butane and octane. Find out how to rearrange ...

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Catalyst: Accelerating glaciers in Antarctica

Discover a white world in which glaciers are racing toward the sea at seven times their normal speed. This is what is happening in Antarctica now and the consequences will eventually be felt at your nearest beach. Travel with scientist Dr Paul Williams to see some stunning images of what is occurring around the fringes ...

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Catalyst: The home of Australian science

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'!

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Catalyst: Thinning ice sheet

Discover that that the massive ice sheet in East Antarctica has been losing mass since 2006 instead of growing, as was previously thought. Watch animations to see how scientists from NASA and Australia are using satellite technology and aerial monitoring to investigate the thickness of East Antarctica's ice sheet. Find ...

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For good measure

If you had to measure the rain level for the whole globe, how would you go about it so you could have as accurate a reading as possible? Rain gauges are great for measuring rain in small areas, but why might they not be as good for measuring large areas? Watch this video to see how the Global Precipitation Measurement (GPM) ...

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When neutron stars collide

Using technologically advanced supercomputers, scientists have developed theories about the creation of black holes deep in outer space. Watch the computer simulation in this clip to see how the collision of two neutron stars produces a gamma ray burst and a new black hole. Discover that our continuing understanding of ...

Online

States of matter: Our warming world

Matter can exist in different states, and behave differently depending on temperature. In this resource, students investigate how heat can affect the motion and arrangement of particles, and how this may impact our world.

Interactive

Kamay – looking up

This resource explores the navigation techniques used during the journey of the Endeavour and contrasts these with Aboriginal and Torres Strait Islander navigational and astronomical systems that have been in place for many thousands of years. This learning sequence contains activities suitable for Year 7 - Year 10 science ...

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Atoms of Fire: Vitalism disproved through evidence

Discover how the scientific theory of vitalism, championed by the Swedish chemist Jöns Berzelius, was disproved by his former student Friedrich Wöhler. Find out the way chemists study how the different atoms in organic compounds combine in set ratios depending on the 'valence' of those atoms.

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Eyeballing colours

Fiery red, cool blue and sunny yellow are phrases used to describe feelings associated with colours. But what actually is colour? Why is it there and what helps us to see it? Follow Chloe Sheridan as she unravels the complexity of seeing colour by delving into its physics and biology. She entered this video in the 2013 ...

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Catalyst: Large Hadron Collider discovery, 2012

Have you heard of the Large Hadron Collider (LHC)? Watch this clip to find out about a scientific discovery at the LHC that left physicists uncharacteristically emotional. Catalyst's Dr Derek Muller takes you inside the LHC and talks to scientists there about the discovery of the Higgs boson and what it means for our understanding ...

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Friction: Friend or foe?

What part does the force of friction play in our everyday lives? Friction can be an advantage (friend) or a problem (foe). Join interviewer Doug Traction and professors Static, Slide, Rolling and Fluid at the National Tribology Research Centre as they have forceful fun investigating friction. This video won a prize in the ...

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Ramping it up, Egyptian pyramid style

How did the ancient Egyptians move and lift huge stones during construction of the pyramids? Secondary student Angus Atkinson designed an experiment to find out how the lives of pyramid workers could have been made easier. See how as you watch this video, which he entered in the 2013 Sleek Geeks Eureka Science Schools Prize.

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Can photons and atoms generate laser?

Electrons around atoms can absorb and emit photons of particular colours of light – see three different atomic models explain what's going on.

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Catalyst: Climate and bushfires in Australia

What can science tell us about the major cause of bushfires in Australia's past? How can it help us predict future bushfires? Two scientists discuss evidence related to bushfire regimes (bushfire patterns, types and intensity). Please note that this clip contains recent images of homes destroyed by fire that may disturb ...

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Elliot and the Surfing Scientist: Carbon dioxide (CO2) fire extinguisher

Different types of chemical reactions are used in many everyday products. Watch this clip to see how two common household substances can be combined to create an 'Invisible Candle Extinguisher'.

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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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ABC News: 'Junk DNA' not junk after all

Geneticists have long thought that 98 per cent of human DNA was 'junk' (or 'non-coding') DNA. However, recent scientific research suggests that there is much more to this DNA than first thought. Watch this clip to discover more.

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Catalyst: Tsunami prevention in the Pacific

By investigating sediments and debris left by devastating tsunamis throughout history, Japanese scientists are making discoveries that change the way we understand disaster prevention in the Pacific. Watch as research teams examine rocks and mud layers; create digital simulations of past tsunamis; and investigate the seabed ...

Online

Collisions and biomechanics lesson

This lesson plan investigates ways in which automobile manufacturers seek to reduce injuries that occur in car accidents. Students note the effects of car accidents on human bodies, the factors that influence the type and severity of injuries, and the safety ratings of vehicles in which they travel regularly. The resource ...