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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

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 ...

Interactive

NOVA Elements - iTunes app

Explore the elements contained in the periodic table and the structure of some molecules found in everyday items. Build an element by adding the correct number of protons, neutrons and electrons, and construct a molecule by correctly placing atoms onto the structure. Symbols and formulas used to represent elements and molecules ...

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.

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, ...

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 ...

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.

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

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.

Video

Where does water go after it rains?

What happens to rainfall in Australia? Water usually flows downhill, and because we know where the hills are, scientists have been able to divide the country into drainage divisions, or catchments. Find out which drainage division you're in, and learn what happens to rainwater that doesn't make it to the sea. |Learn more ...

Video

How might water shortages in the Basin affect you?

The Murray-Darling Basin is Australia's largest river system and it's an important source of water for many Australian communities and farmers. In this clip from mid-2013, Discover more about the Basin, how it connects people and places, and the impact that drought and people's use has on this natural resource.

Video

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.

Video

Recycling whole buildings

You probably recycle bottles, cans and paper at home, but imagine recycling whole buildings that have outlived their usefulness. Explore how doing this can save a huge amount of energy, prevent unnecessary carbon dioxide emissions and address landfill issues.

Video

Air pollution

Can you imagine what it would be like if the air we breathed became so polluted that we couldn't go outside? This is what happened in India in November 2016. The air pollution was so bad that people were advised to stay indoors and some schools were shut down. What were the causes of this air pollution? How do you think ...