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Your search returned 30 results

Listed under:  Science  >  Forces and energy  >  Fundamental forces  >  Electromagnetism  >  Electromagnetic radiation
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

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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Video

Meet the BFFs: Four fundamental forces

  • TLF-IDM017938

We all know something about gravity, but what about the other fundamental forces of physics? Explore the properties of two familiar forces experienced in daily life, and of two less familiar ones. How do they interact, and what keeps everything from falling apart? This video was Kate Dent's entry into the 2013 Sleek Geeks ...

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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

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

Catalyst: Electromagnetic radiation

  • TLF-IDM015814

Do you know how radios transmit sound, or how ultraviolet light travels through the air? Listen to Bernie Hobbs explain electromagnetic radiation and discover what radios, ultraviolet light, x-rays and nuclear blasts have in common. Find out about their energy levels, how they travel from place to place, and at what speed, ...

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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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Video

Very Large Telescope

  • TLF-IDM016690

This 10 minute video segment from Catalyst explains why the telescope is located where it is and relates it to the properties of light.

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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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Online

Secondary science: models and simulations

  • TLF-IDS4976

These seven learning activities, which focus on 'models and simulations' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers assist students to interpret, ...

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