Science / Year 8 / Science Understanding / Chemical sciences

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Curriculum content descriptions

Differences between elements, compounds and mixtures can be described at a particle level (ACSSU152)

Elaborations
  • modelling the arrangement of particles in elements and compounds
  • recognising that elements and simple compounds can be represented by symbols and formulas
  • locating elements on the periodic table
ScOT terms

Mixtures,  Chemical elements,  Chemical compounds,  Molecular structure

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10 direct matches to ACSSU152 | 10 other related resources
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Video

Graphene: The new wonder material

  • TLF-IDM018844

Graphene is perhaps the most significant new material produced in recent years. It has many potential applications in electrical devices, biomedical technology and solar energy. Graphene is a form (allotrope) of carbon with some special chemical and physical properties. Watch this clip to explore the molecular structure, ...

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Video

Chemistry-inspired food tricks

  • TLF-IDM018839

Bananas too green, coffee too bitter, cookies too hard! Watch this clip to find out about the chemistry behind some clever food-preparation tricks that will solve these food crises. Discover the chemical elements, compounds and properties involved in getting some of our favourite foods to taste just right.

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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

Chemistry of rotten eggs, and more

  • TLF-IDM018837

Want to know if an egg is rotten, why onions bring on tears and what makes green vegetables turn brown after cooking? Watch this clip to discover the chemistry behind these and other everyday problems. Find out about the chemical reactions, compounds and elements involved, and learn some simple chemistry-inspired solutions.

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Online

Vitamania: vitamin profiles

  • TLF-IDM025131

Most people know that vitamins are an essential daily requirement for a healthy life, but few people really know how or why. Vitamins need to be examined individually to understand and appreciate their differences and specific importance to our bodily functions. This lesson plan with supporting video clips, introduces students ...

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Online

School of rocks: teacher resource

  • TLF-IDM025827

In this structured inquiry unit of work students explore the formation of rocks and minerals. They investigate how the properties of rocks and minerals are related to their use, and how these naturally occurring materials provide valuable resources for human activity. Students also investigate the effects of volcanic activity, ...

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Video

Magic tricks revealed using chemistry

  • TLF-IDM018840

Some magic tricks, such as disappearing ink or candles that won't blow out, can be explained by chemistry. In this clip, three classroom chemistry experiments demonstrate that some familiar magic tricks rely on acid-base chemical reactions, and the properties and behaviour of gases. Watch closely if you've ever wanted to ...

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Interactive

Sites2See: Databases for science

  • TLF-IDM016700

A page with downloadable examples, exemplars and advice to help integrate database use in teaching and learning for science. Includes suggestions and reasons for using databases in science, practise activities and information on research and benefits, plus links to a range of related resources.

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Interactive

Uses of some Elements

  • TLF-IDM016755

Students use this resource consisting of ten slides with diagrams, written explanation and voice-over to understand that the properties of some metals relate to how they are used. It also explains why alloys have been produced and how they are used. There is a two-question quiz and a summary slide.

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Text

Separation Anxiety

  • TLF-IDA003895

This activity invites students to explore colour chromatography, a technique that uses capillary action to separate different types of ink at different rates. The activity includes a list of tools and materials required, assembly instructions, what to do and notice, an explanation for the underlying science of what students ...

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Image

Gold nugget

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This is a gold nugget (approximately 3.4 cm x 2.2 cm), which was probably found in about 1865 on a goldfield in Otago (in the southern South Island of New Zealand).

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Image

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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Image

Trilobite fossil

  • TLF-IDR6883

This is a colour photograph of a fossil trilobite of the genus 'Kolihapeltis'.

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Image

Hydrogen molecule

  • TLF-IDR6986

This is a colour image of a model of a molecule of hydrogen, H₂. 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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Interactive

Let's make slime!

  • TLF-IDM025327

This resource explains how to make slime using cornflour to produce something called a non-Newtonian fluid. A non-Newtonian fluid is a substance which has properties of a liquid and a solid. This means it can flow like a liquid, but also can have a set shape. It all depends on the amount of force you apply to it. In this ...

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Image

Southern gastric brooding frog

  • TLF-IDR6867

This is a colour photograph of a preserved southern gastric brooding frog ('Rheobatrachus silus'). It is a museum specimen viewed from the front.

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Image

Oxygen molecule

  • TLF-IDR6988

This is a colour image of a model of a molecule of oxygen, O₂. In this model, two oxygen atoms are represented by red spheres held together by grey rods that represent a double covalent bond.

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Image

Bunyip gold nugget, 1972

  • TLF-IDR6367

This is a gold nugget known as the 'Bunyip nugget'. It weighs 50 ounces (1.55 kg). It was found in the early 1970s by a farmer while ploughing near Bridgewater to the west of Bendigo in Victoria, and was purchased by the National Museum of Victoria (now Museum Victoria) in 1978 for $40,000.

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Image

Thylacine pup

  • TLF-IDR6896

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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Video

Atoms of Fire: What makes salt and sugar so different?

  • TLF-IDM015489

Have you ever accidentally sprinkled sugar on your dinner or spooned salt into your coffee? Those white crystals might look the same but they taste very different because they are made of different kinds of atoms bonded in different ways. Discover how chemists identify what kinds of atoms a compound is made of, then find ...

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