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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

Chemical change involves substances reacting to form new substances (ACSSU225)

Elaborations
  • identifying the differences between chemical and physical changes
  • identifying evidence that a chemical change has taken place
  • investigating simple reactions such as combining elements to make a compound
  • recognising that the chemical properties of a substance, for example its flammability and ability to corrode, will affect its use
ScOT terms

Chemical reactions,  Molecular structure

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38 direct matches to ACSSU225

Interactive Resource

DIY Lava Lamp

  • TLF-IDM016475

This resource contains lessons plans containing instructions and teachers' notes for an activity based on a chemical reaction that occurs when a soluble aspirin tablet dissolves and the fact that oil and water do not mix are used to create a model of a lava lamp. Students have fun while they learn about density of fluids. ...

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Moving Image

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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Interactive resource

pH: acids and bases

  • TLF-IDL5814

Test an acid, a base and a neutral substance to identify their properties. Test solutions to find whether they are acidic, basic or neutral. For example, identify vinegar as an acid. Remember, all acids and bases including the dilute solutions used in this object, can be harmful and should be handled with care. This learning ...

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Interactive resource

Treasure puzzle

  • TLF-IDL43

Open the metal door to a treasure chamber by dissolving it with acids. Test everyday substances to identify which are acids: lemon juice, salt water, alcohol, vinegar, water and fizzy soft drink. See if they react with egg shell, litmus paper, sodium bicarbonate or teeth.

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Interactive resource

pH: aquarium

  • TLF-IDL5817

Measure the pH as you gradually add an acid to a base, or vice versa. Learn how to change pH up or down. Adjust the pH in an aquarium to help keep the fish healthy. For example, return the pH to a suitable level after soft drink has been spilled into the water. Remember, all acids and bases including the dilute solutions ...

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Interactive Resource

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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Moving Image

The bang behind fireworks!

  • TLF-IDM018841

Ever wondered how fireworks are created? In this clip, pyrotechnics expert John Conkling describes the chemical and physical components of fireworks, and demonstrates many coloured explosions in a laboratory. Discover that a fireworks display is a chemical reaction between an oxidiser such as potassium nitrate and a fuel ...

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Moving Image

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 Resource

experiMENTALS: Magic rocking candle

  • TLF-IDM016610

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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Interactive resource

pH: changing pH

  • TLF-IDL5819

Measure the pH as you gradually add an acid to a base, or vice versa. Predict the change in pH when you mix acids and bases. Notice that the pH drops or rises quickly when the neutralisation point is almost reached. Remember, all acids and bases including the dilute solutions used in this object, can be harmful and should ...

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Moving Image

How our bodies burn food for energy

  • TLF-IDM015370

We burn food for energy in our bodies. Chemically it's the same as burning fuel for energy in cars and rockets. Listen to Bernie Hobbs explain more about combustion reactions. Discover why we don't burst into flames when we burn food in our cells.

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Teacher resource

Cells and the molecules of life

  • TLF-IDM019627

Take a look at cells, and some of their components, starting from the very beginning of life on Earth. Speculate on the origin of the molecules of life and investigate how they combine to create the structure and function of cells.

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Interactive resource

pH: pool

  • TLF-IDL5818

Measure the pH as you gradually add an acid to a base, and vice versa. Learn how to change pH up or down. Adjust the pH in a swimming pool to ensure the water is safe for people to swim in. For example, return the pH to a suitable level after heavy rain. Remember, all acids and bases including the dilute solutions used ...

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Interactive Resource

Rock, paper, scissors: student digital activities

  • TLF-IDM014130

This is a set of student digital activities about states of matter, the particle model and simple chemical equations. It contains a rich array of interactive activities, film clips and notebook questions to assist learning, and is part of a comprehensive curriculum resource that covers Chemical sciences content descriptions ...

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Assessment resource

pH scale: assessment

  • TLF-IDL8489

Test your understanding of the pH scale by classifying solutions according to whether they are an acid, neutral or a base. Use results from the solutions tested using red litmus paper, blue litmus paper, the indicator phenolphthalein and the addition of a piece of metal (Zn) to help you classify them. Your preliminary classification ...

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Moving Image

Precious metals

  • TLF-IDM015807

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 ...

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Interactive Resource

DIY pH Indicator

  • TLF-IDM016663

This resource contains lessons plans containing instructions and teachers 'notes for an activity based on the natural pH indicator present in red cabbage leaves. It can be extracted following these explicit and clear directions included for this activity. This indicator solution changes colour from purple to bright pink ...

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Interactive resource

Save the lake

  • TLF-IDL38

Fish are dying in a lake because of pollution in the water. Test the lake water with chemical indicators. Work out which industry caused the pollution problem. Suggest changes to save the lake.

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Moving Image

Making a bottle rocket

  • TLF-IDM015768

Have you ever seen someone create a rocket using a soft drink bottle? In this clip, Surfing Scientist Ruben Meerman attempts to 'supersize science'. You will find out how he made a model rocket and see slow-motion footage of the rocket as it shoots up into the sky.

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Interactive Resource

experiMENTALS: Energy in soft drinks

  • TLF-IDM016335

This resource contains information about how to calculate the amount of sugar and number of kilojoules in soft drink and fruit juices and brief explanation for students the effect of consuming too much sugar.

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