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Listed under:  Science  >  Forces and energy  >  Heat
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Heat transfer: is it hot or cold?

If you picked up a paper book and a metal box do you think one would feel colder to the touch or would they feel the same? Watch this clip to see if people's predictions about the temperature of objects match their observations. You may be as surprised as they are!

Interactive resource

What the world is made of: particles, heat and movement

Explore how substances are affected by temperature. Notice that particles vibrate more as temperature rises. Observe that some solids conduct heat better than others. Note that solids expand when they are heated. This learning object is one in a series of six objects. The series is also packaged as a combined learning object.

Interactive resource

Reacting to emergencies

Operate controls for a simulated nuclear reactor. Regulate coolant flow and position of control rods. Respond to mechanical failures and other emergencies. Ensure safe operation and avoid a meltdown. This learning object is one in a series of two learning objects.

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Energy - senior years

This collection of 16 digital curriculum resources is organised into three categories - forms of energy; energy conversions; and energy management. Learning objects enable students to build energy-efficient cars; consider environmental and economic implications of a range of energy sources including solar and wind; operate ...

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'The little green book', 1995

This is a booklet titled 'The little green book: a kids handy guide to caring for the environment', published by Cadbury Australia. The front cover displays six of Cadbury's 'Yowie' characters. The booklet measures 210 mm by 148 mm.

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Carbon dioxide and the oceans

This is a colour video clip describing how carbon dioxide emissions from the burning of fossil fuels are increasing global temperatures and causing acidification of the oceans. It features two New Zealand scientists, hydrologist Dr Dave Campbell of the University of Waikato, who talks about atmospheric water vapour, and ...

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My Place - Episode 14: 1878: Henry, The dough machine

Franklin and Henry invent 'The spoon cranking dough churner', which explodes when they fail to take into account the fact that dough expands when heated.

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Temperature changes the properties of a substance

Substances that are very cold have different properties to substances that are hot. Watch as the Surfing Scientist uses hot and cold water, food colouring and a fish tank to demonstrate what happens when water at different temperatures is mixed together.

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Keeping cool in hot weather

Have you ever wondered why your face turns red when you run around? Discover what's going on under your skin when this happens, and how this helps you keep cool. See some of the clever ways that animals keep cool, too.

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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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Energy and the solar challenge

The way we live depends on energy but we can't see or touch it. Discover how early scientists unravelled the mystery of energy that allows us to harness its power to improve our lives. Track the development of energy converters from massive steam-driven engines through to the high technology of solar energy used in the ...

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Melting permafrost: a sign of climate change?

Until recently, evidence led scientists to think that Arctic permafrost was melting at a much slower rate than is the case now. During climate change talks, a stark warning was sounded that permafrost thawing could push the Earth's climate past a tipping point. In this clip, find out a bit more about permafrost melting ...

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Do-it-yourself science toys

Bernie and Ruben show you how to make four do-it-yourself (DIY) science toys. Learn how to make a balancing tightrope walker, a lava lamp, a spinning spiral decoration and a cardboard boomerang. You might need some help with a few things.

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Check out these weird clouds

Clouds nearly 100 km above Earth's surface? That's weird! Join Mark Horstman in Antarctica to explore noctilucent clouds and the LIDAR technology used to measure temperature in the upper atmosphere. Discover how this top-down study of the atmosphere is providing fresh knowledge about climate change.

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Picking up ice cubes with string

Imagine trying to pick up a slippery ice cube with just a piece of string. Watch the Surfing Scientist team demonstrate how it can be done, using a surprising additive.

Teacher resource

Motion and Energy Transfer: teacher guide

This is a teacher guide containing materials to support the planning and implementation of a unit of work on motion and energy. It contains lessons and inquiry sequences on topics including energy transfers and transformations in systems and events, different forms of energy, the energy of moving things, Newton’s laws, ...

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Motion and Energy Transfer: student guide

This is a student guide that takes an in-depth look at motion, energy transfers and transformations, force and energy systems, energy efficiency, and the movement and the acceleration of objects. This resource contains different parts or chapters, each with information, images and diagrams, inquiry activities with detailed ...

Interactive Resource

Motion and Energy Transfer: student digital

This is a student digital resource that contains interactive materials for exploring many aspects of energy including energy transfers and conservation, force and energy transfers in systems, energy efficiency, the motion of objects, and acceleration and Newton’s laws. This resource contains a rich array of digital interactive ...

Teacher resource

Primary Connections: Melting moments

This is an extensive teaching unit focused on learning, through a collaborative, inquiry-based approach, how a solid is affected by heating and a liquid by cooling. It includes comprehensive lesson plans, as well as student handouts and other teaching resources, for seven structured lessons that form an integrated sequence ...

Teacher resource

Primary Connections: Heating up

This comprehensive teacher resource explores different types of heat sources and how heat moves from one object to another, through a series of collaborative inquiry-based learning activities. Primary heat sources (that transform different energy sources to heat) and secondary sources (that transfer heat they have accumulated) ...