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Science / Year 8 / Science Understanding / Chemical sciences

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
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

Video

Rock recipes

Explore the different types of minerals inside rocks. See that most rock-forming minerals are made up of just two common elements. Discover that most minerals are made up of the same basic building blocks put together in different ways, and that this can explain some of their properties.

Video

Precious metals

Why are some metals prized more for jewellery than others? Listen to presenter Bernie Hobbs explain the chemical reaction that affects the look and durability of metals. Using the periodic table and some dazzling computer graphics, Bernie demonstrates why 'oxygen-proof, low-reactivity, transition metals' such as gold keep ...

Video

How big are extremely small objects?

Imagine how big you might be compared to an ant, a speck of dust, a molecule or an atom. Explore the world of the very small, and find out just what units scientists use to measure extremely small objects.

Video

Magic tricks revealed using chemistry

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 ...

Video

Chemistry-inspired food tricks

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.

Video

Chemistry of rotten eggs, and more

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.

Video

Graphene: the new wonder material

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, ...

Interactive

Oresome elements

This resource is an interactive game in which floating symbols, representing the chemical elements, are dragged into their correct position on a Periodic Table of Elements. Players can click on the elements in the table to alternate between its name and symbol; and double click to see some of its properties and uses. This ...

Online

Vitamania: vitamin profiles

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 ...

Interactive

Oresome world

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, ...

Interactive

Uses of some Elements

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.

Interactive

Sites2See: Databases for science

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.

Online

Rock, paper, scissors: teacher guide

This is a teacher guide about states of matter, the particle model and simple chemical equations. It provides an overview of lessons including worksheets and assessment, and is part of a comprehensive curriculum resource that covers Chemical sciences content descriptions in year 8 of the science curriculum. The resource ...

Text

The effects of climate change on coral bleaching

This website is designed to support science and geography inquiry investigations about how coral ecosystems are being impacted by climate change. It contains information and images about the biology of corals and their vulnerability to changes in temperature and pH levels.

Interactive

Types of matter: solids, liquids and gases

Select samples from an outdoor setting. Magnify the substances to atomic level so that the particles they consist of can be seen. Sort the substances into groups based on how the particles are arranged and how they move. Classify the substances as solids, liquids or gases. For example, classify argon as a gas and ice as ...

Image

Water molecule showing polarity

This is a colour graphic representation of a water molecule. It depicts the structural formula of water superimposed on a space-filling model and an electron-density isosurface. The diagram is colour-coded to show the dipole nature of the molecule.

Video

The construction of TV news

Have you ever thought about how a news clip is put together? It's a process of carefully combining a range of audio and visual conventions to present information in a way that seems unbiased. Use this ABC News clip to explore some of the features of TV news.

Video

Peak phosphorus

Did you know all living things need phosphorus to survive? This is why phosphorus is mined and sold as fertilisers to help grow crops. What will happen to crop yields when we run out of phosphorus? What are some of the solutions Dr Dana Cordell has to combat the issue of diminishing phosphorus supplies?

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Steam or just a load of hot air?

Take a journey with two 2013 Sleek Geeks Eureka Science Schools Prize finalists, as they present their take on the history of steam power. See how they link steam power, the properties of water and the way energy is converted. WARNING: if flickering light affects you, you may be best to avoid watching this video.

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From chocolate buttons to magic patterns

Want to do a simple science experiment that works just like a magic trick? Watch the Surfing Scientist to find out how. He creates a pattern made up of regular shapes by dissolving coated chocolate buttons.