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      Your search returned 38 results

      Listed under:  Science  >  Forces and energy  >  Fundamental forces  >  Electromagnetism  >  Electricity
      Video

      The physics of invisibility cloaks

      • TLF-IDM021113

      Could an invisibility cloak actually work? Prashanth and Maria from MIT explore this idea and demonstrate the cool ways that light bounces, bends and mixes. How do the wings of the Morpho Butterfly give clues about how an invisibility cloak could work? How would light need to be channelled in order for something to seem invisible?

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      Video

      Catalyst: Supercapacitors: new battery technology

      • TLF-IDM015531

      Discover how nanotechnology is contributing to the creation of new, improved batteries that may soon be used in all our mobile phones and portable music devices - even in cars and trams. Catalyst's Tanya Ha looks at how traditional batteries produce electricity and how their efficiency may be increased by tiny devices known ...

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      Video

      Colourful Weather, Ep 1: What shape is a rainbow?

      • TLF-IDM025129

      All you need is water, the sky and sunlight and you’ve got something that’s colourful – with a pot of gold at each end. What is it? A rainbow! Find out what happens to sunlight inside a raindrop, why rainbow colours are always in the same order and the real shape of a rainbow. Tip: it’s not an arch!

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      Video

      Sciencey: Five things you should know about renewable energy

      • TLF-IDM025359

      Check out how we make electricity, the different renewable energy sources we have developed and how batteries work. Then, find out about hydro-electricity and why Australia could one day be the world’s biggest exporter of renewable energy. Lastly, discover virtual power plants. Why is it important to focus on renewable ...

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      Video

      How does the retina work?

      • TLF-IDM019617

      When electrons in your retina absorb photons of light they don't emit light, they cause a molecule to change shape - and that lets you see colour!

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      Interactive

      Oresome world

      • TLF-IDM013655

      This interactive resource takes students on a journey of discovery in the energy and mining world. Oresome world contains five games or modules: Coal, Energy, Gas, Low emissions and Mining, and within each of these there are several facilities to explore, such as the Underground mining site, Hydroelectric power station, ...

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      Video

      Colourful Weather, Ep 3: Why sunsets and sunrises will never be blue or green

      • TLF-IDM025127

      Can you guess how many sunsets and sunrises an astronaut on the International Space Station sees every 24 hours? Sixteen! Imagine seeing all those spectacular colours so many times a day (even if the view lasts only a few seconds as they zoom by). Find out exactly why sunrises and sunsets are red, orange and golden but ...

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      Video

      Earthshine

      • TLF-IDM016472

      This six and a half minute video segment from Catalyst explains Earthshine as light from our own Earth reflected back from the Moon's dark side. A PhD student is studying it to learn about how light reflects from a planet that contains liquid water as well as land. Her work may one day lead to the discovery of other planets ...

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      Interactive

      Series and Parallel Circuits

      • TLF-IDM016555

      Students use this resource consisting of three slides with diagrams, written explanation and voice-over to understand how to the arrangement of bulbs in series and parallel circuits and understand the differences between them. There is a two-question quiz and a summary slide.

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      Video

      Measuring Voltage

      • TLF-IDM016134

      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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      Video

      Solar Prints

      • TLF-IDM016706

      This 6 minute video segment from Catalyst is an excellent introduction to the science behind photovoltaics. A useful comparison of the efficiency of energy conversion. Discussion of other issues considered in producing devices to use renewable energy to make electricity.

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      Interactive

      Circuit Diagrams

      • TLF-IDM016328

      Students use this resource consisting of three slides with diagrams, written explanation and voice-over to understand how to draw simple circuits and the symbols used to represent them. There is a two-question quiz and a summary slide.

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      Interactive

      Sites2See: Surf safety

      • TLF-IDM015335

      A webpage about surfing safety, dangerous waves and rips, and the history and science of surfing. A 'For Kids' section provides games and quizzes for young swimmers and surfers.

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      Interactive

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

      • TLF-IDM020885

      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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      Interactive

      Seeing with sound: sound lab tour

      • TLF-IDL1302

      Explore how sound travels as a wave. Examine diagrams and simulations to answer a series of questions about sound properties. For example, identify the effects of compression waves on the vibration speed of particles. Test the effects of changing wave properties: frequency, wavelength and amplitude. Transmit sounds in a ...

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      Image

      Using a pedal wireless transmitter

      • TLF-IDR3174

      This is a photograph, possibly taken by John Flynn (1880-1951) and measuring 8.2 cm x 8.2 cm, of an elderly woman seated at a pedal wireless transmitter with three girls behind her. There is no microphone but the woman is operating a morse key. The woman and one of the girls are wearing earphones. The words 'AIM Pedal Transmitter' ...

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      Video

      How do prisms create rainbows?

      • TLF-IDM019616

      Zoom inside a glass prism and see why glass makes light bend, and how the glass molecules make different colours of light bend different amounts.

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      Video

      Light takes time to travel through space

      • TLF-IDM018848

      Light travels in waves and carries information as it moves from one object to another. In this clip, people are used to represent the Sun, planets and light rays in order to show that light takes time to travel through space bringing information from those objects to us on Earth. Discover that by the time we receive this ...

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      Video

      BTN: The biggest radio telescope in the world

      • TLF-IDM015438

      In the past, astronomers explored the universe with their eyes and optical telescopes, but what they could see was limited. Find out how radio telescopes have revolutionised the way astronomers 'see' the universe, allowing us to explore deeper into space than ever before.Watch this clip to learn about Australia's contribution ...

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      Video

      Can photons and atoms generate laser?

      • TLF-IDM019618

      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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