Glossary

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allotropes

Subject: 

  • Physical Sciences

two or more different forms or structures of the same element.

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the ratio of the amount of a pure compound to the amount of substance containing that compound...

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100 000 N per square metre. A pressure of 1 N · m2 is called one pascal (Pa).

double bond
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four shared electrons, or two shared pairs of electrons (or two covalent bonds) between the same...

polyatomic ion
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a group of atoms that are bonded together. It has an unequal number of protons and electrons and...

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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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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.

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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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