Glossary

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auto-redox reaction

Subject: 

  • Physical Sciences

hydrogen peroxide (H2O2) will spontaneously react (decompose) to form water and oxygen. One molecule of hydrogen peroxide acts as the reducing agent and another as the oxidising agent. We describe this as an auto-redox reaction.

Related Content

chemical change
Subject:
Physical Sciences

a chemical reaction in which new substances are formed.

ionises
Subject:
Physical Sciences

forms ions (either by breaking a crystal lattice up or by a chemical reaction).

quenched
Subject:
Physical Sciences

rapidly cooled.

cations
Subject:
Physical Sciences

usually metal atoms that lose electrons and become positive ions.

octahedral shape
Subject:
Physical Sciences

molecule where the ratio of atoms is 1 : 6 , e.g. SF6

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Exam practice is essential. Make sure your students have access to practice exam papers for the subjects they take. Make sure the exam papers relate to the correct version of the curriculum.

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Remind your students that studying should be active. They should be making notes, working through examples, doing practice exam papers and testing themselves on the sections they are studying.

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Different study methods work for different students. Encourage your learners to find out what works for them so you can support them.

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Many subjects require students to know work from the previous grades. Make sure your child has access to a good reference book that contains the concepts they need to refer back to.

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Once your teenager has completed practise exam papers, go over the areas where they struggle. Get a study guide to help you and your student if you need help with a particular section.

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Exam practice is essential. Make sure your student has access to practice exam papers for the subjects they take. Make sure the exam papers relate to the correct version of the curriculum.

[ more ]

Studying should be active. Your child should be making notes, working through examples, doing practice exam papers and testing herself on the sections she is studying.

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Formulae sheets or key concept sheets are useful for quick revision. Get your teenager to stick them on the wall in their room. The more they look at the formulae and key concepts, the more likely...

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Different study methods work for different students. Find out what works for your child so you understand how you can support him or her.

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