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Mr Science

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Head of science Check out my Youtube channel for free videos to support your teaching, https://www.youtube.com/mrscience88

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Head of science Check out my Youtube channel for free videos to support your teaching, https://www.youtube.com/mrscience88
IGCSE Edexcel Biology (9-1) Transport (Humans) *UPDATED*
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IGCSE Edexcel Biology (9-1) Transport (Humans) *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: Humans 2.59  describe the composition of the blood: red blood cells, white blood cells, platelets and plasma 2.60  understand the role of plasma in the transport of carbon dioxide, digested food, urea, hormones and heat energy 2.61  understand how adaptations of red blood cells make them suitable for the transport of oxygen, including shape, the absence of a nucleus and the presence of haemoglobin 2.62 understand how the immune system responds to disease using white blood cells, illustrated by phagocytes ingesting pathogens and lymphocytes releasing antibodies specific to the pathogen 2.63B understand how vaccination results in the manufacture of memory cells, which enable future antibody production to the pathogen to occur sooner, faster and in greater quantity 2.64B understand how platelets are involved in blood clotting, which prevents blood loss and the entry of micro-organisms 2.65  describe the structure of the heart and how it functions 2.66  explain how the heart rate changes during exercise and under the influence of adrenaline 2.67  understand how factors may increase the risk of developing coronary heart disease 2.68  understand how the structure of arteries, veins and capillaries relate to their function 2.69  understand the general structure of the circulation system, including the blood vessels to and from the heart and lungs, liver and kidneys Contains examination questions
IGCSE Edexcel Biology (9-1) Xylem and Phloem *UPDATED*
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IGCSE Edexcel Biology (9-1) Xylem and Phloem *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: 2.51  understand why simple, unicellular organisms can rely on diffusion for movement of substances in and out of the cell 2.52  understand the need for a transport system in multicellular organisms Flowering plants 2.53  describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant 2.54  describe the role of xylem in transporting water and mineral ions from the roots to other parts of the plant 2.55B understand how water is absorbed by root hair cells 2.56B understand that transpiration is the evaporation of water from the surface of a plant 2.57B understand how the rate of transpiration is affected by changes in humidity, wind speed, temperature and light intensity 2.58B practical: investigate the role of environmental factors in determining the rate of transpiration from a leafy shoot Contains exam questions
IGCSE Edexcel Biology (9-1) Gas exchange (Humans) *UPDATED*
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IGCSE Edexcel Biology (9-1) Gas exchange (Humans) *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (g) Gas exchange Humans 2.46 describe the structure of the thorax, including the ribs, intercostal muscles, diaphragm, trachea, bronchi, bronchioles, alveoli and pleural membranes 2.47 understand the role of the intercostal muscles and the diaphragm in ventilation 2.48 explain how alveoli are adapted for gas exchange by diffusion between air in the lungs and blood in capillaries 2.49 understand the biological consequences of smoking in relation to the lungs and the circulatory system, including coronary heart disease 2.50 practical: investigate breathing in humans, including the release of carbon dioxide and the effect of exercise
IGCSE Edexcel Biology (9-1) Gas exchange (Flowering plants) *UPDATED*
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IGCSE Edexcel Biology (9-1) Gas exchange (Flowering plants) *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (g) Gas exchange Flowering plants 2.40B understand the role of diffusion in gas exchange 2.41B understand gas exchange (of carbon dioxide and oxygen) in relation to respiration and photosynthesis 2.42B understand how the structure of the leaf is adapted for gas exchange 2.43B describe the role of stomata in gas exchange 2.44B understand how respiration continues during the day and night, but that the net exchange of carbon dioxide and oxygen depends on the intensity of light 2.45B practical: investigate the effect of light on net gas exchange from a leaf, using hydrogen-carbonate indicator Includes a video for flipped learning.
IGCSE Edexcel Biology (9-1) Respiration *UPDATED*
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IGCSE Edexcel Biology (9-1) Respiration *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (f) Respiration 2.34 understand how the process of respiration produces ATP in living organisms 2.35 know that ATP provides energy for cells 2.36 describe the differences between aerobic and anaerobic respiration 2.37 know the word equation and the balanced chemical symbol equation for aerobic respiration in living organisms 2.38 know the word equation for anaerobic respiration in plants and in animals 2.39 practical: investigate the evolution of carbon dioxide and heat from respiring seeds or other suitable living organisms Contains exam style questions.
IGCSE Edexcel Biology (9-1) Human Digestion *UPDATED*
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IGCSE Edexcel Biology (9-1) Human Digestion *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (e) Nutrition Humans 2.24 understand that a balanced diet should include appropriate proportions of carbohydrate, protein, lipid, vitamins, minerals, water and dietary fibre 2.25 identify the sources and describe the functions of carbohydrate, protein, lipid (fats and oils), vitamins A, C and D, the mineral ions calcium and iron, water and dietary fibre as components of the diet 2.26 understand how energy requirements vary with activity levels, age and pregnancy 2.27 describe the structure and function of the human alimentary canal, including the mouth, oesophagus, stomach, small intestine (duodenum and ileum), large intestine (colon and rectum) and pancreas 2.28 understand how food is moved through the gut by peristalsis 2.29 understand the role of digestive enzymes, including the digestion of starch to glucose by amylase and maltase, the digestion of proteins to amino acids by proteases and the digestion of lipids to fatty acids and glycerol by lipases 2.30 understand that bile is produced by the liver and stored in the gall bladder 2.31 understand the role of bile in neutralising stomach acid and emulsifying lipids 2.32 understand how the small intestine is adapted for absorption, including the structure of a villus 2.33B practical: investigate the energy content in a food sample Contains exam questions.
IGCSE Edexcel Biology (9-1) Photosynthesis *UPDATED*
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IGCSE Edexcel Biology (9-1) Photosynthesis *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (e) Nutrition Flowering plants 2.18 understand the process of photosynthesis and its importance in the conversion of light energy to chemical energy 2.19 know the word equation and the balanced chemical symbol equation for photosynthesis 2.20 understand how varying carbon dioxide concentration, light intensity and temperature affect the rate of photosynthesis 2.21 describe the structure of the leaf and explain how it is adapted for photosynthesis 2.22 understand that plants require mineral ions for growth, and that magnesium ions are needed for chlorophyll and nitrate ions are needed for amino acids 2.23 practical: investigate photosynthesis, showing the evolution of oxygen from a water plant, the production of starch and the requirements of light, carbon dioxide and chlorophyll
IGCSE Edexcel Biology (9-1) Diffusion, Osmosis and Active transport *UPDATED*
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IGCSE Edexcel Biology (9-1) Diffusion, Osmosis and Active transport *UPDATED*

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: (d) Movement of substances into and out of cells 2.15 understand the processes of diffusion, osmosis and active transport by which substances move into and out of cells 2.16 understand how factors affect the rate of movement of substances into and out of cells, including the effects of surface area to volume ratio, distance, temperature and concentration gradient 2.17 practical: investigate diffusion and osmosis using living and non-living systems
IGCSE Edexcel Biology (9-1) Biological molecules *UPDATED*
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IGCSE Edexcel Biology (9-1) Biological molecules *UPDATED*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: ( c ) Biological molecules 2.7 identify the chemical elements present in carbohydrates, proteins and lipids (fats and oils) 2.8 describe the structure of carbohydrates, proteins and lipids as large molecules made up from smaller basic units: starch and glycogen from simple sugars, protein from amino acids, and lipid from fatty acids and glycerol 2.9 practical: investigate food samples for the presence of glucose, starch, protein and fat 2.10 understand the role of enzymes as biological catalysts in metabolic reactions 2.11 understand how temperature changes can affect enzyme function, including changes to the shape of active site 2.12 practical: investigate how enzyme activity can be affected by changes in temperature 2.13 understand how enzyme function can be affected by changes in pH altering the active site  2.14B practical: investigate how enzyme activity can be affected by changes in pH Contains exam style questions
IGCSE Edexcel Biology (9-1) animal, plant and stem cells *UPDATED*
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IGCSE Edexcel Biology (9-1) animal, plant and stem cells *UPDATED*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: (a)Level of organisation 2.1 describe the levels of organisation in organisms: organelles, cells, tissues, organs and systems (b) Cell structure 2.2 describe cell structures, including the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole 2.3 describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole 2.4 know the similarities and differences in the structure of plant and animal cells 2.5B explain the importance of cell differentiation in the development of specialised cells 2.6B understand the advantages and disadvantages of using stem cells in medicine Contains exam style questions
IGCSE Edexcel Biology (9-1) Eukaryotic and Prokaryotic organisms *UPDATED*
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IGCSE Edexcel Biology (9-1) Eukaryotic and Prokaryotic organisms *UPDATED*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: (b) Variety of living organisms 1.2 describe the common features shown by eukaryotic organisms: plants, animals, fungi and protoctists 1.3 describe the common features shown by prokaryotic organisms such as bacteria 1.4 understand the term pathogen and know that pathogens may include fungi, bacteria, protoctists or viruses Contains exam style questions
Biodiversity
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Biodiversity

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Designed for the new specification AQA GCSE( covers spec point 4.7.3.1 ) course but can be modified for other exam boards. 12 slides covering the following objectives: Define biodiversity Describe why biodiversity is important Explain how waste, deforestation and global warming have an impact on biodiversity. **“There is a different starter for combined or Triple students” **
AQA GCSE Biology-Blood
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AQA GCSE Biology-Blood

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 21 slides covering the blood. By the end of the powerpoint students would have covered: Blood is a tissue consisting of plasma, in which the red blood cells, white blood cells and platelets are suspended. Students should know the functions of each of these blood components. Students should be able to recognise different types of blood cells in a photograph or diagram, and explain how they are adapted to their functions.
AQA GCSE Biology- The heart and blood vessels
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AQA GCSE Biology- The heart and blood vessels

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 23 slides covering the The heart and blood vessels. By the end of the powerpoint students would have covered: Students should know the structure and functioning of the human heart and lungs, including how lungs are adapted for gaseous exchange. The heart is an organ that pumps blood around the body in a double circulatory system. The right ventricle pumps blood to the lungs where gas exchange takes place. The left ventricle pumps blood around the rest of the body. Knowledge of the blood vessels associated with the heart is limited to the aorta, vena cava, pulmonary artery, pulmonary vein and coronary arteries. Knowledge of the names of the heart valves is not required. Knowledge of the lungs is restricted to the trachea, bronchi, alveoli and the capillary network surrounding the alveoli. The natural resting heart rate is controlled by a group of cells located in the right atrium that act as a pacemaker. Artificial pacemakers are electrical devices used to correct irregularities in the heart rate. The body contains three different types of blood vessel: • arteries • veins • capillaries. Students should be able to explain how the structure of these vessels relates to their functions. Students should be able to use simple compound measures such as rate and carry out rate calculations for blood flow.
AQA GCSE Biology - The human digestive system
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AQA GCSE Biology - The human digestive system

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 50 slides covering The human digestive system. By the end of the powerpoint students would have covered: -4.2.1 Principles of organisation -4.2.2.1 The human digestive system Includes two required practicals: -Required practical activity 4: use qualitative reagents to test for a range of carbohydrates, lipids and proteins. -Required practical activity 5: investigate the effect of pH on the rate of reaction of amylase enzyme. There is also an additional practical on temperature and enzyme action.
AQA Organisation revision
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AQA Organisation revision

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Designed to use as a revision tool to help students summarise content from Organisation. Alternatively can be given as a homework task. Resource contains 3 revision mats.