National 5 Chemistry Assignment Ideas For Physical Education

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There is a range of material available, including examples of candidate evidence with commentaries, as part of our Understanding Standards programme. This material is for teachers and lecturers to help them develop their understanding of the standards required for assessment. As new material is developed we will publish this information in our weekly Centre News. All material available can be found in the following locations:

  • Available from our Understanding Standards website Material relating to externally assessed components of course assessment, with the exception of those subject to visiting assessment.

Available from our secure website Material relating to internally assessed components of course assessment, and components of course assessment which are subject to visiting assessment. In addition, material relating to freestanding units which are no longer part of National 5 courses can be found on this website. Teachers and lecturers can arrange access to these materials through their SQA Co-ordinator.

More information on Understanding Standards material for this subject can be found on our Understanding Standards website at

The National 5 audio presentation/webinar provides a detailed overview of the revised course assessment for this subject.

Additional CPD support

Where any particular areas of concern are identified, which are not addressed by our Understanding Standards events or support materials, we will offer free continuing professional development (CPD) training, subject to request. CPD support is subject-specific and can be tailored to cover one or more qualification level. To find out more about this service visit our CPD page.

Combustion reactions

Many different compounds can be used as fuels, most commonly alkanes and alcohols. When these fuels burn, they release heat energy and light energy to the surroundings in exothermic reactions. Endothermic reactions take in heat energy.

These reactions are known as combustion reactions and can be represented by different equations.

For example, propane gas tanks are commonly sold on petrol station forecourts. These gas bottles have a wide variety of uses including portable heating and cooking for caravans and barbecues.

When propane burns in a plentiful supply of oxygen, it produces both carbon dioxide and water. This change can be represented by a word equation or a formula equation.

Word equation

Balanced formulae equation

A balanced formulae equation, along with the formula triangles you learned in Unit one can be used to calculate information on the quantities of reactants or products involved in a particular reaction.

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