A Science teacher by trade, I've also been known to be found teaching Maths and PE! However, strange as it may seem, my real love is designing resources that can be used by other teachers to maximise the experience of the students. I am constantly thinking of new ways to engage a student with a topic and try to implement that in the design of the lessons.
A Science teacher by trade, I've also been known to be found teaching Maths and PE! However, strange as it may seem, my real love is designing resources that can be used by other teachers to maximise the experience of the students. I am constantly thinking of new ways to engage a student with a topic and try to implement that in the design of the lessons.
Hours and hours of planning have gone into each and every lesson that’s included in this bundle to ensure that the students are engaged and motivated whilst the detailed content of topic 2 of the Edexcel International A-level Biology specification is covered. Membranes, proteins, DNA and gene expression represent some of the most important structures, molecules and processes involved in this subject and a deep understanding of their role in living organisms is important for a student’s success.
The 20 lesson PowerPoints and accompanying resources contain a wide range of activities which cover the following topic 2 specification points:
Know the properties of gas exchange surfaces in living organisms
Understand how the rate of diffusion can be calculated using Fick’s Law of Diffusion
Understand how the structure of the mammalian lung is adapted for rapid gas exchange
The structure and properties of cell membranes
The movement of free water molecules by osmosis
The movement across membranes by passive and active transport
The role of channel and carrier proteins in membrane transport
The basic structure of an amino acid
The formation of polypeptides and proteins
The structure of proteins
The mechanism of action and specificity of enzymes
Enzymes are biological catalysts
Intracellular and extracellular enzymes
The basic structure of mononucleotides
The structure of DNA and RNA
The process of DNA replication
The nature of the genetic code
A gene as a sequence of bases on DNA that codes for a sequence of amino acids
The process of transcription and translation
Errors in DNA replication give rise to mutations
Mutations give rise to disorders but many mutations have no observable effect
The meaning of key genetic terms
Understanding the pattern of monohybrid inheritance
Sex linkage on the X chromosome
Understand how the expression of a gene mutation in people with cystic fibrosis impairs the functioning of the gaseous exchange, digestive and reproductive systems
The uses and implications of genetic screening and prenatal testing
Due to the detail included in all of these lessons, it is estimated that it will take in excess of 2 months of allocated A-level teaching time to complete the teaching of the bundle
If you would like to sample the quality of these lessons, then download the rapid gas exchange, osmosis, DNA & RNA, genetic code, genetic terms and cystic fibrosis lessons as these have been uploaded for free.
This lesson describes the role of haemoglobin in transport and explains the change in the dissociation curve when there is an increased concentration of carbon dioxide (the Bohr effect). The detailed PowerPoint and accompanying resources have been designed to cover points 1.9 (i) & (ii) of the Edexcel International A-level Biology specification and this lesson also compares the oxyhaemoglobin dissociation curve of foetal haemoglobin against maternal haemoglobin.
The lesson begins with a version of the quiz show Pointless and this introduces haemotology as the study of the blood conditions. Students are told that haemoglobin has a quaternary structure as it is formed of 4 polypeptide chains which each contain a haem group with an iron ion attached and that it is this group which has a high affinity for oxygen. Time is taken to discuss how this protein must be able to load (and unload) oxygen as well as transport the molecules to the respiring tissues. Students will plot the oxyhaemoglobin dissociation curve and the S-shaped curve is used to encourage discussions about the ease with which haemoglobin loads each molecule. At this point, foetal haemoglobin and its differing affinity of oxygen is introduced and students are challenged to predict whether this affinity will be higher or lower than adult haemoglobin and to represent this on their dissociation curve.
Moving forwards, the different ways that carbon dioxide is transported around the body involving haemoglobin are described and the dissociation of carbonic acid into hydrogen ions is discussed so that students can understand how this will affect the affinity of haemoglobin for oxygen in the final part of the lesson on the Bohr effect. A quick quiz is used to introduce Christian Bohr and the students are given some initial details of his described effect. This leads into a series of discussions where the outcome is the understanding that an increased concentration of carbon dioxide decreases the affinity of haemoglobin for oxygen. The students will learn that this reduction in affinity is a result of a decrease in the pH of the cell cytoplasm which alters the tertiary structure of the haemoglobin. The lesson finishes with a series of questions where the understanding and application skills are tested as students have to explain the benefit of the Bohr effect for an exercising individual.
This detailed lesson describes the relationship between the structure and function of starch and cellulose. The engaging PowerPoint and accompanying resource have been designed to cover point 4.9 of the Pearson Edexcel A-level Biology A specification and focuses on the importance of the glycosidic and hydrogen bonds for the structure of these polysaccharides.
The structure of amylose and amylopectin was described during a lesson in topic 1, so the start of this lesson challenges the students on their recall of these details. They have to complete a comparison table for these two polysaccharides by identifying the monomer and type of glycosidic bonds that are found in each of the structures. Time is taken to explain how the greater resistance to digestion of amylose means that this carbohydrate is important for plant energy storage whereas the multiple chain ends in the branched amylopectin means that this polysaccharide can be hydrolysed quickly when energy is needed. The rest of the lesson describes the structure of cellulose and focuses on the link between the structure and the need for this polysaccharide to support the plant cell as well as the whole plant. Students will see how every other beta glucose monomer is rotated by 180 degrees and will learn that hydrogen bonds form between these molecules on the same chain as well as between adjacent chains in a cellulose microfibril.
The lesson concludes with a quick quiz competition where the students have to compete to open a safe using a combination made up of key values associated with glycogen, starch and cellulose.
This lesson describes the classification system that consist of a hierarchy of domain, kingdom, phylum, class, order, family, genus and species. The engaging PowerPoint and accompanying resource have been designed to cover point 3.1 (i) of the Edexcel A-level Biology B specification and also includes details of the use of the binomial naming system.
The lesson begins by looking at the meaning of a population in Biology so that the term species can be introduced. A hinny, which is the hybrid offspring of a male horse and a female donkey, is used to explain how these two organisms must be members of different species because they are unable to produce fertile offspring. Moving forwards, students will learn that species is the lowest taxon in the modern-day classification hierarchy. A quiz runs throughout the lesson and this particular round will engage the students whilst they learn the names of the other 7 taxa and the horse and the donkey from the earlier example are used to complete the hierarchy. Students will understand that the binomial naming system was introduced by Carl Linnaeus to provide a universal name for each species and they will be challenged to apply their knowledge by completing a hierarchy for a modern-day human, by spotting the correct name for an unfamiliar organism and finally by suggesting advantages of this system.
This lesson describes how an increased carbon dioxide concentration affects the dissociation of oxyhaemoglobin, the Bohr effect. The PowerPoint and accompanying resources have been designed to cover the second part of point 4.5 (i) of the Edexcel A-level Biology B specification and continually ties in with the previous lesson on the role of haemoglobin and dissociation curves.
The lesson begins with a terminology check to ensure that the students can use the terms affinity, oxyhaemoglobin and dissociation. In line with this, they are challenged to draw the oxyhaemoglobin dissociation curve and are reminded that this shows how oxygen associates with haemoglobin but how it dissociates at low partial pressures. Moving forwards, a quick quiz is used to introduce Christian Bohr and the students are given some initial details of his described effect. This leads into a series of discussions where the outcome is the understanding that an increased concentration of carbon dioxide decreases the affinity of haemoglobin for oxygen. The students will learn that this reduction in affinity is a result of a decrease in the pH of the cell cytoplasm which alters the tertiary structure of the haemoglobin. Opportunities are taken at this point to challenge students on their prior knowledge of protein structures as well as the bonds in the tertiary structure. The lesson finishes with a series of questions where the understanding and application skills are tested as students have to explain the benefit of the Bohr effect for an exercising individual.
This fully-resourced lesson describes how the cohesion-tension model explains the transport of water from the roots to the shoots. The detailed PowerPoint and accompanying resources have been designed to cover point 4.7 (iii) of the Edexcel A-level Biology B specification
This lesson has been written to follow on from the end of the previous lesson, which finished with the description of the transport of the water and mineral ions from the endodermis to the xylem. Students are immediately challenged to use this knowledge to understand root pressure and the movement by mass flow down the pressure gradient. Moving forwards, time is taken to study the details of transpiration pull and then the main focus is the interaction between cohesion and tension. The role of adhesive forces in capillary action is also explained. Understanding is constantly checked through a range of tasks and prior knowledge checks are also written into the lesson to challenge the students to make links to previously covered topics such as the structure of the transport tissues.
This detailed lesson describes the role of haemoglobin in the transport of respiratory gases and compares the dissociation curves for foetal and adult haemoglobin. The PowerPoint and accompanying resource have been designed to cover points 4.5 (i), (ii) and (iv) of the Edexcel A-level Biology B specification.
The structure of haemoglobin was covered during topic 1, so the start of the lesson acts as a prior knowledge check where the students are challenged to recall that it is a globular protein which consists of 4 polypeptide chains. A series of exam-style questions are then used to challenge them to make the link between the solubility of a globular protein and its role in the transport of oxygen from the alveoli to the respiring cells. Moving forwards, the students will learn that each of the 4 polypeptide chains contains a haem group with an iron ion attached and that it is this group which has a high affinity for oxygen. Time is taken to discuss how this protein must be able to load (and unload) oxygen as well as transport the molecules to the respiring tissues. Students will plot the oxyhaemoglobin dissociation curve and the S-shaped curve is used to encourage discussions about the ease with which haemoglobin loads each molecule. At this point, foetal haemoglobin and its differing affinity of oxygen is introduced and students are challenged to predict whether this affinity will be higher or lower than adult haemoglobin and to represent this on their dissociation curve.
The remainder of the lesson looks at the different ways that carbon dioxide is transported around the body that involve haemoglobin. Time is taken to look at the dissociation of carbonic acid into hydrogen ions so that students can understand how this will affect the affinity of haemoglobin for oxygen in an upcoming lesson on the Bohr effect.
This clear and concise lesson explains how the inheritance of two or more genes that have loci on the same autosome demonstrates autosomal linkage. The engaging PowerPoint and associated resource have been designed to cover the part of point 6.1.2 (b[ii]) of the OCR A-level Biology A specification which states that students should be able to demonstrate and apply their knowledge and understanding of the use of phenotypic ratios to identify autosomal linkage.
This is a topic which can cause confusion for students so time was taken in the design to split the concept into small chunks. There is a clear focus on how the number of original phenotypes and recombinants can be used to determine linkage and suggest how the loci of the two genes compare. Important links to other topics such as crossing over in meiosis are made to enable students to understand how the random formation of the chiasma determines whether new phenotypes will be seen in the offspring or not. Linkage is an important cause of variation and the difference between observed and expected results and this is emphasised on a number of occasions. The main task of the lesson acts as an understanding check where students are challenged to analyse a set of results involving the inheritance of the ABO blood group gene and the nail-patella syndrome gene to determine whether they have loci on the same chromosome and if so, how close their loci would appear to be.
This lesson has been written to tie in with the other lessons from module 6.1.2 (Patterns of Inheritance)
An engaging lesson presentation (41 slides) and accompanying worksheet that looks at the different causes of variation and the different types of variation. The lesson begins by challenging the students to pick out a set of siblings from a series of pictures and then getting them to explain scientifically why they made the decision that they did. Moving forwards, students will recognise that one cause of variation is genes. Students are shown a pair of identical twins and asked to explain why they look different despite their identical genes so that they can understand that the environment also affects variation. Students will also meet discontinuous and continuous variation and will understand how this data should be represented. There are progress checks throughout the lesson to allow the students to assess their understanding.
This lesson has been designed for KS3 and GCSE students.
An engaging and detailed lesson presentation (48 slides) and associated game that goes through the topic of ecosystems, making sure that the numerous key words are recognised and understood and ensures that students know the difference between biotic and abiotic factors. A game of keyword bingo runs throughout the lesson to act as a motivation and to make sure that the students keep track of all of the important terminology. Time is taken after some of the important words to go into depth so that the Biology is fully understood. Students will learn the difference between biotic and abiotic factors and then will carry out a number of tasks to explain how the abiotic factors can affect the community. There are regular progress checks throughout the lesson so that students can assess their understanding.
This lesson was designed for GCSE students but can also be used with KS3 and also as a recap with A level students
A fun and engaging lesson presentation (90 slides) and associated worksheets that uses exam questions, quick tasks and quiz competitions to allow students to assess their understanding of the topic of transport in plants, which is module 3.1.3 on the OCR A-Level Biology A specification. Competition rounds include “Keyword BINGO”, “Crack the Code” and “Make the Link” and students will enjoy being able to identify areas that require further attention. All exam questions have mark schemes.
This lesson is designed for A-level students
A fun and highly engaging lesson presentation (37 slides) and associated worksheets that combines exam questions and progress checks along with competition rounds to enable students to assess their understanding of the specification content within units B1 - 3 of the OCR Gateway A 9 - 1 GCSE Science.
All of the exam questions and progress checks have displayed answers as well as sections where content is recapped so that students can understand how an answer was obtained.
The revision rounds in the competition include “Blockbusters”, “Doctor, Doctor” and “Crack the CODE”.
This lesson has been designed for GCSE students.
This engaging and detailed lesson presentation (43 slides) uses a step by step guide to take students through the important scientific skill of drawing graphs to represent data and address all the misconceptions and misunderstandings that often accompany this topic. The lesson begins by explaining to the students how to decide whether data should be represented on a line graph or a bar chart and a competition called "To BAR or not to BAR" is used to allow them to check their understanding while maintaining motivation. Moving forwards, students are shown a 6 step guide to drawing a line graph. Included along the way are graphs that are wrong and explanations as to why so that students can see what to avoid. There are continuous progress checks and a homework is also included as part of the lesson.
This lesson is written for students of all ages who are studying Science.
An engaging lesson presentation (43 slides) that uses exam questions, quick tasks and competitions to enable students to assess their understanding of the topics within module 6.1.3 of the OCR A-Level Biology A specification. All of the exam questions have displayed mark schemes and explanations so that students can recognise any errors or misconceptions. Competition rounds included in this lesson are "From numbers 2 letters" and "Is this SEQUENCED correctly".
An engaging and informative lesson presentation (30 slides) that looks at some of the uses of stem cells in medicine. The lesson begins by challenging the students to define some key terms such as undifferentiated which are associated with these cells. Moving forwards, students will look at the uses of embryonic stem cells including in the treatment of Parkinson’s disease and for tests in drug trials. Students are challenged to consider for homework why the uses of these cells remains controversial.
This lesson is designed for GCSE students
This engaging lesson presentation (57 slides) and associated worksheets uses exam questions with displayed mark schemes, quick tasks and quiz competitions to enable students to assess their understanding of the topics found within module B6 of the OCR Gateway A GCSE Biology specification. The topics which are specifically tested within the lesson include:
Genetic engineering, Health and disease, Spread of communicable diseases and preventing the spread, Non-communicable diseases, Treating CVD, Monoclonal antibodies and Modern advances in medicine
Students will enjoy the competitions such as "Is this ENGINEERED correctly" and "From NUMBERS 2 LETTERS" whilst crucially being able to recognise those areas which need their further attention
An engaging lesson presentation (88 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 B5 of the AQA GCSE Biology specification.
The topics that are tested within the lesson include:
Homeostasis
Structure and function of the nervous system
Control of body temperature
Human endocrine system
Control of blood glucose concentration
Maintaining water balance in the body
Hormones in human reproduction
Contraception
The use of hormones to treat infertility
Negative feedback
Students will be engaged through the numerous activities including quiz rounds like "Have they got the right BALANCE?" and "Take the IVF Hotseat" whilst crucially being able to recognise those areas which need further attention
This engaging lesson presentation (55 slides) and associated worksheets uses exam questions with displayed mark schemes, quick tasks and quiz competitions to enable students to assess their understanding of the topics found within module B1 of the OCR Gateway A Combined Science specification. The topics which are specifically tested within the lesson include:
Plant and animal cells, Bacterial cells, Light microscopy, Electron microscopy, Enzymes, Aerobic respiration, Photosynthesis, Photosynthesis experiments and Limiting factors
Students will enjoy the competitions such as "Shine a LIGHT on any errors" and "Eu vs Pro" whilst crucially being able to recognise those areas which need their further attention
An engaging lesson presentation (82 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 C4 (Predicting and identifying reactions and products) of the OCR Gateway A GCSE Chemistry specification.
The topics that are tested within the lesson include:
Group 1 - the alkali metals
Group 7 - the halogens
Halogen displacement reactions
Group 0 - the noble gases
The transition metals
Reactivity of elements
Detecting gases
Detecting cations
Students will be engaged through the numerous activities including quiz rounds like “Crack the CODE” and “Blockbusters” whilst crucially being able to recognise those areas which need further attention