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Listed under:  Science  >  Matter  >  Properties of matter  >  Temperature
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Shrinking and expanding metals

Explore with the Surfing Scientist team what happens when metals are heated and cooled. Find out what happens to a metal ring when it is immersed in extremely cold liquid nitrogen. What do hinges on the Sydney Harbour Bridge have to do with all this? Find out.

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Expansion and Contraction

This is a problem-solving activity in which students are engaged in a challenge is to control virtual bridges using expansion and contraction so that a car can pass over them. In so doing they learn about the expansion of solids, liquids and gases when heated is applied. Students need to understand how a bimetallic strip works.

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Change of State

This simulation allows students to change the temperature and observe the changes at macro and micro level to water. It reinforces the Particle Theory.

Video

Introduction to coral reefs and climate change

Coral reef and climate change specialist Professor Ove Hoegh-Guldberg and Dr Kiki Sanford discuss what coral reefs are, and introduce viewers to the consequences of global warming and rising carbon dioxide levels on the world's coral reef ecosystems. The scientists pose critical questions about why coral reefs are so important, ...

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Adopt a drifter

This is a video resource describing the National Oceanic and Atmospheric Administration (NOAA) 'Adopt a drifter' program, which enables students to learn about ocean currents in real time. The video features drifting buoys that are designed to measure and transmit sea-surface temperature and positional data for about 400 ...