A detailed, engaging and informative lesson presentation (50 slides) and accompanying worksheets that looks at the commonly misunderstood topic of chromatography. This lesson goes through paper, thin-layer and gas chromatography so that students can analyse and interpret the results that would be found on a chromatogram. The lesson begins by challenging the students to recall details of this separation method when they met it at KS3. Students will meet the two chemical phases, mobile and stationary, and begin to understand that this method relies on the distribution of substances between these two phases. Students will meet the calculation for retention factor and be shown how to tackle questions on this topic before trying themselves. Time is taken to go over the details of gas chromatography, in a step by step guide format, as this is a poorly understood topic. There are progress checks throughout the lesson, which include mark schemes and detailed explanations, so that students can assess their understanding and address any misconceptions that could arise. This lesson has been written for GCSE students but could be used with A-level students

A lot of time and effort has gone into the design of this revision resource as it covers the very important Atoms, elements and compounds topic (C3) of the CIE IGCSE Combined Specification which will be examined in June and November 2020 and 2021. This topic tends to contribute a high volume of the questions in the examination papers as it contains fundamental understanding. The resource contains a detailed and engaging PowerPoint (87 slides) and associated worksheets, which have been differentiated to allow differing abilities the chance to complete the task. The range of activities that include exam questions, quick tasks and quiz competitions aim to cover as much of the content as possible but the following topics have received particular attention: Metals vs non-metals Using the proton and nucleon number to calculate the number of sub-atomic particles Atoms vs ions Drawing dot and cross diagrams for ionic compounds The structure of an ionic compound and the relation to its properties Drawing dot and cross diagrams for simple molecules Understanding of the terms solution, solvent, solute and soluble Throughout the lesson, links have been made to other modules (e.g. Electricity and chemistry) so that students can see how they will be expected to make these connections. The detail of this lesson means that it can be used a number of times and is ideal for revision during the learning of C3, at the end of the topic or in the lead up to mocks or terminal exams.

This revision resource contains an engaging PowerPoint (44 slides) and associated worksheets, all of which have been differentiated two ways to allow students of differing abilities to access the work. The range of activities cover the content of Topic C11 (Air and water) of the CIE IGCSE Combined Science specification, for examination in June and November 2020 and 2021. The aim was to cover as much of the content as possible but the following topics have received particular attention: The composition of clean air Changes in atmospheric carbon dioxide levels The formation of carbon dioxide Common air pollutants and their effects on health and structures The treatment of water to make it safe The chemical tests for water A number of quiz competitions are included in the lesson such as “POLLUTE the air…with the answer” where students compete to be the first to identify a common pollutant from the clues. These competitions act to engage them whilst the exam questions and quick tasks will enable them to assess their understanding of the content.

This lesson describes meaning of the mole and shows how this measurement is used in a range of calculations. The clear lesson PowerPoint presentation and accompanying question worksheet have been designed to cover points 1.50 & 1.51 of the Edexcel GCSE Chemistry specification and also covers those points in the Chemistry section of the Combined Science course. This lesson has been specifically written to explain the concept in a concise manner so that the key details are understood and embedded. Students are shown how to recognise when a mole calculation requires them to use Avogadro’s constant and when they should the formula including the relative formula mass.

A short, concise revision lesson that uses a combination of exam questions, understanding checks, quick tasks and a quiz competition to help the students to assess their understanding of the topics found within unit C10 (Using resources) of the AQA GCSE Combined Science specification (specification point C5.10). The lesson includes useful hints and tips to encourage success in assessments. The topics that are tested within the lesson include: Potable water Waste water treatment Alternative methods of extracting metals Students will be engaged through the numerous quiz rounds including one called “It’s time for acTION” which requires students to work out a process (ending in -tion) from the provided definition

A fully resourced lesson presentation (53 slides) and associated worksheet that uses a combination of exam questions, understanding checks, quick tasks and a quiz competition to help the students to assess their understanding of the topics found within TOPIC 10 (Using resources) of the AQA GCSE Chemistry specification (specification point C4.10). The lesson includes useful hints and tips to encourage success in assessments. The topics that are tested within the lesson include: Potable water Waste water treatment Alternative methods of extracting metals Using materials The Haber process Students will be engaged through the numerous quiz rounds including one called “It’s time for acTION” which requires students to work out a process (ending in -tion) from the provided definition

This revision lesson has been designed to challenge the students on their use of a range of mathematical skills that could be assessed on the Edexcel GCSE Combined Science papers. The mathematical element of the Edexcel GCSE Combined Science course has increased significantly since the specification change and therefore success in those questions which involve the use of maths can prove to be the difference between one grade and another or possibly even more. The engaging PowerPoint and accompanying resources contain a wide range of activities that include exam-style questions with displayed mark schemes and explanations so that students can assess their progress. Other activities include differentiated tasks, class discussion points and quick quiz competitions such as “It doesn’t HURT to CONVERT”, “YOU DO THE MATH” and “FILL THE VOID”. The following mathematical skills (in a scientific context) are covered in this lesson: The use of Avogadro’s constant Rearranging the formula of an equation Calculating the amount in moles using mass and relative formula mass Calculating the relative formula mass for formulae with brackets Calculating the relative atomic mass using the mass and abundance of isotopes Using the Periodic Table to calculate the number of sub-atomic particles in atoms Changes to electrons in ions Balancing chemical symbol equations Empirical formula Converting between units Calculating concentration in grams per dm cubed and volumes of solutions Calculating size using the magnification equation Using the mean to estimate the population of a sessile species Calculating percentages to prove the importance of biodiversity Calculating percentage change The BMI equation Calculating the acceleration from a velocity-time graph Recalling and applying the Physics equations Understanding prefixes that determine size Leaving answers to significant figures and using standard form Helpful hints and step-by-step guides are used throughout the lesson to support the students and some of the worksheets are differentiated two ways to provide extra assistance. Due to the detail of this lesson, it is estimated that it will take in excess of 3 hours of GCSE teaching time to cover the tasks and for this reason it can be used over a number of lessons as well as during different times of the year for revision.

This lesson describes the relationship between the structure and function of the giant covalent substances, graphite and diamond. The PowerPoint and accompanying resource have been designed to cover points 1.35, 1.36 and 1.37 of the Edexcel GCSE Chemistry specification also covers those same points in the Chemistry section of the Combined Science course As shown in the picture, the lesson begins with a newspaper story about two prisoners who escaped from Pentonville prison by using a diamond-tipped drill and this immediately introduces the use of this allotrope of carbon in cutting tools. There is a clear focus on the link between the structure, bonding and respective uses. Time is taken to focus on the comparison between graphite and diamond in terms of their ability to conduct electricity. A step by step answer is used to explain why diamond cannot conduct electricity so that students can use this when forming their answer for graphite.

A fully resourced lesson that includes a lesson presentation (27 slides) and an accompanying worksheet that guides students through the topic of the electrolysis of solutions and enables them to state the products at the electrodes from these reactions. The lesson focuses on the rules at the cathode and then the anode and regular understanding checks are used to ensure that learning has occured. This lesson has been designed for GCSE students (14 - 16 year olds)

A fully-resourced lesson that looks at the meaning of the mole and shows how this measurement is used in calculations. The lesson includes a clear lesson presentation (32 slides) and a set of questions. This lesson has been written to explain in a concise manner so that the key details are understood and embedded. Students are shown how to recognise when a mole calculation requires them to use Avogadro’s constant and when they should the formula including the relative formula mass. This lesson has been designed for GCSE students (14 -16 year olds in the UK)

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 electrolysis. This is a topic which is almost guaranteed to be on the GCSE paper every year and therefore a student’s ability to achieve good marks on this topic will have a big impact on their overall success. The lesson looks at the electrolysis of both molten salts and aqueous solutions and guides students through predicting the products at each of the electrodes as well as writing half equations to represent these reactions. Students will enjoy the range of activities including quiz rounds such as “Have you got the SOLUTION” whilst crucially being able to recognise the finer details of this topic which require their further attention before an end of topic assessment or the terminal GCSE exams.

This lesson explains how the complete combustion of hydrocarbons produces carbon dioxide and water and explains how write equations to represent these reactions. The PowerPoint and accompanying resources are part of the second lesson in a series of 2 which have been designed to cover the detail in point 7.1.3 of the AQA GCSE Chemistry & Combined Science specifications. As shown in the cover picture, the lesson starts with a challenge where the students have to recognise the key term combustion from its suffix and a brief definition. Moving forwards, students will discover that the combustion of hydrocarbons releases energy and during this reaction, the carbon and hydrogen are oxidised. Time is taken to emphasise that sufficient oxygen needs to be present for complete combustion to occur and that if the supply is plentiful then carbon dioxide and water will be produced. The main part of the lesson uses a step by step guide to show students how to write word equations and balanced symbol equations for these reactions, before they are challenged to apply their understanding to write their own. All of the exam questions have mark schemes embedded into the PowerPoint to allow the students to self-assess. The final part of the lesson uses an internet article about carbon monoxide poisoning to introduce that this toxic gas can be produced when oxygen is insufficient.

This lesson describes the size and mass of atoms and describes the relative mass and electrical charge of the subatomic particles. The PowerPoint and accompanying resources are part of the first lesson in a series of 3 that has been designed to cover specification points 1.1.4 - 1.1.6 of the AQA GCSE Chemistry & Combined Science specifications. The lesson begins by introducing giga as a prefix of size and this leads into a task where the students have to order the other prefixes from largest to smallest. This introduces the nanometre and students will learn the size of the radius of an atom is 0.1nm. Time is taken to compare this size against that of a football and a human egg cell to try to put this atom radius into context. Moving forwards, the term “subatomic particles” is introduced and the students are challenged to recall the names of the three types along with their location within the atom from their lessons on the development of the atomic model earlier in topic 1. They are told that most of atom’s mass is in the nucleus and therefore can work out the protons and neutrons have much higher relative masses than electrons. They will also learn the relative electrical charges of the particles and are challenged to use this to state the overall charge of an atom and the nucleus. There is a considerable amount of Maths written into this lesson including the use of standard form and conversion between units and step by step guides are used to support the students with this work

This REVISION resource has been designed to motivate and engage students whilst they are challenged on their knowledge of the content in topics C6-C10 of the AQA GCSE Chemistry specification which can be assessed on PAPER 2. This is fully-resourced and contains a detailed PowerPoint (146 slides) and accompanying worksheets, some of which have been differentiated. The resource was written with the aim of covering as many of the sub-topics in C6-C10 as possible, but the following ones have been given a particular focus: The general formulae of the alkanes, alkenes, alcohols and carboxylic acids Reversible reactions and equilibrium Changing conditions and the position of equilibrium The factors affecting the rate of reaction Complete combustion of the alkanes and climate change The changes in carbon dioxide levels over time Addition and condensation polymers Fractional distillation and the properties of the fractions Analysis and interpreting chromatograms Detecting cations This lesson can be used in combination with the PAPER 1 REVISION resource that I have uploaded.

An engaging lesson presentation (48 slides) and associated worksheets that uses a combination of exam questions, quick tasks and quiz competitions to help the students to assess their understanding of the topics found within unit C1 (Particles) of the OCR Gateway A GCSE Combined Science specification. The topics that are tested within the lesson include: Introducing particles Chemical and physical changes Atomic structure Isotopes Developing the atomic model Students will be engaged through the numerous activities including quiz rounds like “SPOT the SCIENTIST” and “Order, Order” whilst crucially being able to recognise those areas which need further attention

A fully resourced lesson presentation (60 slides) and associated worksheets that uses a combination of exam questions, quick tasks and quiz competitions to help the students to assess their understanding of the topics found within unit C2 (Elements, compounds and mixtures) of the OCR Gateway A GCSE Combined Science specification. Relative formula mass Empirical formula Pure and impure substances Filtration and crystallisation Distillation Chromatography Electronic structure Forming ions Simple molecules Giant covalent structures Carbon Students will be engaged through the numerous activities including quiz rounds like “Take the HOTSEAT” and “SEPARATE the fact from the fiction” whilst crucially being able to recognise those areas which need further attention

A resourced lesson which looks at the key details of a titration to enable students to generate results which could be used in a titration calculation. The lesson includes an engaging lesson presentation (29 slides) and an associated worksheet. The lesson begins with a spot of fun as students are challenged to read the script of a scene from Friends to identify a neutralisation reaction. Students will learn that a method called a titration can use the results of an acid-base neutralisation to work out the concentration of an unknown. Students will learn the names of the equipment involved through a quiz competition and will then be shown how to set up a table to collect the results. Key terms such as titre, rough and end-point are explained. The lesson finishes with one further round of the competition called “Take the HOTSEAT” so that the knowledge of the key terminology from today’s lesson can be checked. The lesson has been designed with regular progress checks throughout so that students can check their understanding. This lesson has been designed for GCSE students.

A practical based lesson presentation (26 slides) that investigates how increasing the temperature affects the rate of reaction and helps students to explain the trend in the results. Students can either carry out the reaction between sodium thiosulphate and hydrochloric acid or use the results which are provided. The equation to work out the rate of reaction is introduced to the students and they are challenged to plot the results on a line graph. A key term to be used in the explanation is introduced through a quick competition and then students are challenged to explain the trend

This is an engaging lesson which uses a range of tasks and quiz competitions to ensure that the important details about elements are embedded so that students can use them in related Chemistry topics. The lesson begins by looking at the chemical symbols that are used with the elements. Students do not have to know the symbols off by heart because of the widely available Periodic Table but a sound knowledge will always help going forward. Time is taken to ensure that students understand how the symbols have to be written so that those with two letters consist of a capital and a lower case letter. In a race against each other, students are challenged to complete a crossword by converting symbols to the name of elements. This will result in a winner, a second placed and a third placed student who can be given a gold, silver and bronze medal. The atoms within each of these medals is explored so that students can learn that the gold and silver medals will only be made up of one type of atom and are therefore elements whilst the bronze is an alloy. The remainder of the lesson looks at some of the uses of the different elements and a homework task gets students to put this into written form. This lesson is suitable for both KS3 and GCSE students.