Science / Year 8 / Science Understanding / Chemical sciences

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Curriculum content descriptions

Properties of the different states of matter can be explained in terms of the motion and arrangement of particles (ACSSU151)

Elaborations
  • explaining why a model for the structure of matter is needed
  • modelling the arrangement of particles in solids, liquids and gases
  • using the particle model to explain observed phenomena linking the energy of particles to temperature changes
ScOT terms

States of matter,  Properties of matter,  Molecular motion

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Elliot and the Surfing Scientist: Shrinking and expanding metals

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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.

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Audio

Lakes in Antarctica

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Scientists are not complacent. We still have a lot to learn about the water cycle. The discovery of glacial lakes under the ice in Antarctica actively transporting water between reservoirs was a surprise. These lakes can be up to 3km beneath the ice sheets. The pressure of the ice above helps to melt the ice, forming lakes. ...

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Interactive

experiMENTALS: Relightable candle

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This resource contains a materials and instruction list and brief explanation for students about the process of relighting a candle. This activity is most likely to be done as a teacher demonstration for safety and classroom management reasons, particularly at primary school level. Do this experiment to learn how a candle ...

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Interactive

experiMENTALS: Magic potion

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This resource contains a materials and instruction list and brief explanation for students about the process of dropping dry ice into food coloured water. Safety regulations should be checked and followed.

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experiMENTALS: Magic rocking candle

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This resource contains a materials and instruction list and brief explanation for students about the process of burning both ends of a balancing candle. This activity is most likely to be done as a teacher demonstration for safety and classroom management reasons, particularly at primary school level.

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Online

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Wicking beds are a fantastic invention, allowing crops to be watered more efficiently. Making a large wicking bed does involve a few steps and some preparation, however the benefits of this extra effort are water conservation, improved plant growth and better crops. The design of the wicking bed also provides opportunities ...

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Stomp Rocket Design Challenge

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NSW ecosystems on show

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This resource highlights fifteen natural ecosystems found in New South Wales. Each resource has been designed for students investigating ecosystem types in NSW, providing a greater understanding of their location, function, how they are impacted by human activity and how schools and communities can work to protect them. ...

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Online

Making a small wicking bed

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Making and planting a small wicking bed is a fulfilling activity. It upcycles materials, building awareness of waste and reuse. The completed wicking bed can suit small spaces – such as a balcony – demonstrating that even small spaces can be used to produce food. Its small size allows children to take ownership of its maintenance. ...

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Online

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Phar Lap's skeleton

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Graptolite fossils - item 1

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This is a colour photograph of graptolites fossilised in rock. These are specimens of 'Pendeograptus fruticosus'. The figures visible on the rock are cataloguing numbers.

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Male and female thylacines, 1841

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This is a 36 cm x 55 cm hand-coloured lithograph of a pair of thylacines (‘Thylacinus cynocephalus’), commonly called Tasmanian tigers, against a background of small bushes and an open plain.

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Thylacine pup

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This is a colour photograph of a preserved underdeveloped thylacine pup ('Thylacinus cynocephalus'). It is a museum specimen preserved in a glass container. Museum cataloguing labels are visible.

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Image

Bromine monofluoride molecule

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This is a colour image of a model of a molecule of bromine monofluoride, BrF. In this model, atoms are represented by coloured spheres held together by grey rods, representing covalent bonds. The bromine monofluoride molecule contains one bromine atom (the brown sphere) and one fluorine atom (the blue-grey sphere).

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Image

Hydrogen molecule

  • TLF-IDR6986

This is a colour image of a model of a molecule of hydrogen, Hâ‚‚. In this model, two hydrogen atoms are represented by grey-white spheres held together by a grey rod that represents a covalent bond.

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What role do fire-behaviour specialists and ecologists have in fire management? Watch this clip to find out about issues relating to fire management in Australia, in particular prescribed burning.

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Image

Measuring photosynthesis

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This is a colour underwater photograph of marine scientist Candida Savage using a scientific instrument known as the diving-PAM. The diving-PAM is being used to measure photosynthesis in corals in Fiji. Candida Savage is wearing full diving clothing and equipment including mask, wetsuit and oxygen tanks.

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