Moles REVISION (GCSE)

This is an engaging revision lesson which uses a range of exam questions, understanding checks, quick differentiated tasks and quiz competitions to allow students to assess their knowledge of the topic of moles and related topics as covered in the GCSE Chemistry and GCSE Combined Science courses. An understanding of moles and their associated calculations is critical for the success of a student in these two courses.

The following topics are covered in this revision lesson:

• Avogadro’s law and constant
• Mole calculations involving Avogadro’s constant
• Mole calculations involving the formula, moles = mass x molar mass
• Mole calculations involving the constant and the formula
• Moles in balanced symbol equations and identifying molar ratios of reactants or reactants to products
• Calculating masses in reactions
• Gas calculations (molar volume)
• Concentration of solutions (in mol per decimetre cubed)

Students will be engaged through the range of activities which includes quiz competitions such as “Fill the VOID” where students have to complete some equations which have pieces missing and also “In the BALANCE” where students have to balance equations in order to work out the number of moles on each side of the reaction. This lesson can be used at any time during the year as a revision material, in the lead up to mocks or as a final revision lesson before the GCSE terminal exams.