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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
International A-level Biology Edexcel Topic 3-Fertilisation in animals
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International A-level Biology Edexcel Topic 3-Fertilisation in animals

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Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 29 slides covering Fertilisation in animals By the end of the powerpoint students would have covered: 3.11 understand how mammalian gametes are specialised for their functions (including the acrosome in sperm and the zona pellucida in the egg cell). 3.12 know the process of fertilisation in mammals, including the acrosome reaction, the cortical reaction and the fusion of nuclei. Powerpoint contains exam questions.
International A-level Biology Edexcel Topic 3- Mitosis
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International A-level Biology Edexcel Topic 3- Mitosis

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Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 18 slides covering Mitosis By the end of the powerpoint students would have covered: -Understand the cell cycle’s role in the production of identical daughter cells for growth and asexual reproduction. -Know how to calculate mitotic indices. Powerpoint contains exam questions
IGCSE Edexcel Biology (9-1) Reproduction (Humans) *Updated*
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IGCSE Edexcel Biology (9-1) Reproduction (Humans) *Updated*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: Humans 3.8  understand how the structure of the male and female reproductive systems are adapted for their functions 3.9  understand the roles of oestrogen and progesterone in the menstrual cycle 3.10B understand the roles of FSH and LH in the menstrual cycle 3.11  describe the role of the placenta in the nutrition of the developing embryo 3.12  understand how the developing embryo is protected by amniotic fluid 3.13  understand the roles of oestrogen and testosterone in the development of secondary sexual characteristics
AQA GCSE Biology- The Brain
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AQA GCSE Biology- The Brain

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 17 slides covering The Brain. By the end of the powerpoint students would have covered: 4.5.2.2 The brain (biology only) The brain controls complex behaviour. It is made of billions of interconnected neurones and has different regions that carry out different functions. Students should be able to identify the cerebral cortex, cerebellum and medulla on a diagram of the brain, and describe their functions. (HT only) Students should be able to explain some of the difficulties of investigating brain function and treating brain damage and disease. (HT only) Neuroscientists have been able to map the regions of the brain to particular functions by studying patients with brain damage, electrically stimulating different parts of the brain and using MRI scanning techniques. The complexity and delicacy of the brain makes investigating and treating brain disorders very difficult.
International A-level Biology Edexcel Topic 8: The Effect of Drugs on the Nervous System
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International A-level Biology Edexcel Topic 8: The Effect of Drugs on the Nervous System

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Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 24 slides coveringThe Structure of Neurones By the end of the powerpoint students would have covered: 8.7 understand how the effects of drugs can be caused by their influence on nerve impulse transmission, illustrated by nicotine, lidocaine and cobra venom alpha toxin, the use of L-DOPA in the treatment of Parkinson’s disease and the action of MDMA (ecstasy) Powerpoint contains exam questions.
IGCSE Edexcel Biology (9-1) Nervous and Endocrine system *Updated*
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IGCSE Edexcel Biology (9-1) Nervous and Endocrine system *Updated*

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Designed for the new specification IGCSE edexcel course but can be used for other examination boards. Covers: Humans 2.86  describe how nervous and hormonal communication control responses and understand the differences between the two systems 2.87  understand that the central nervous system consists of the brain and spinal cord and is linked to sense organs by nerves 2.88  understand that stimulation of receptors in the sense organs sends electrical impulses along nerves into and out of the central nervous system, resulting in rapid responses 2.89  understand the role of neurotransmitters at synapses 2.90  describe the structure and functioning of a simple reflex arc illustrated by the withdrawal of a finger from a hot object 2.91  describe the structure and function of the eye as a receptor 2.92  understand the function of the eye in focusing on near and distant objects, and in responding to changes in light intensity 2.93  describe the role of the skin in temperature regulation, with reference to sweating, vasoconstriction and vasodilation 2.94  understand the sources, roles and effects of the following hormones: adrenaline, insulin, testosterone, progesterone and oestrogen 2.95B understand the sources, roles and effects of the following hormones: ADH, FSH and LH
Contraception/ controlling fertility
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Contraception/ controlling fertility

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Designed for the new specification AQA GCSE( covers spec point 4.5.3.5 ) course but can be modified for other exam boards. 16 slides covering Contraception: -Be able to describe what contraception is and list examples -List the advantages and disadvantages of different contraceptives -Evaluate the different hormonal and non-hormonal methods of contraception
AQA GCSE Biology - Impact of environmental change
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AQA GCSE Biology - Impact of environmental change

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Designed for the new specification AQA GCSE( covers spec point 4.7.2 ) course but can be modified for other exam boards. 11 slides covering Impact of environmental change: 4.7.2.4 Impact of environmental change (biology only) (HT only)
International A-level Biology Edexcel Topic 3-Fertilisation in plants
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International A-level Biology Edexcel Topic 3-Fertilisation in plants

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Designed for the new specification International A-level edexcel course but can be modified for other exam boards. 21 slides covering Fertilisation in plants By the end of the powerpoint students would have covered: 3.13 know the process of fertilisation in flowering plants, starting with the growth of a pollen tube and ending with the fusion of nuclei. Powerpoint contains exam questions.
IGCSE Edexcel Biology (9-1) Food production (Micro-organisms)
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IGCSE Edexcel Biology (9-1) Food production (Micro-organisms)

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Designed for the new specification IGCSE Edexcel course but can be used for other examination boards. Covers: Micro-organisms 5.5  understand the role of yeast in the production of food including bread 5.6  practical: investigate the role of anaerobic respiration by yeast in different conditions 5.7  understand the role of bacteria (Lactobacillus) in the production of yoghurt 5.8 understand the use of an industrial fermenter and explain the need to provide suitable conditions in the fermenter, including aseptic precautions, nutrients, optimum temperature and pH, oxygenation and agitation, for the growth of micro- organisms
AQA GCSE Biology- Variation and evolution
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AQA GCSE Biology- Variation and evolution

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 28 slides covering variation and evolution: By the end of the powerpoint students would have covered: 4.6.2.1 Variation 4.6.2.2 Evolution
IGCSE Chemistry Cambridge CIE - Atomic structure and the Periodic table
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IGCSE Chemistry Cambridge CIE - Atomic structure and the Periodic table

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Designed for the new specification IGCSE CIE (Cambridge) course but can be used for other examination boards. Powerpoint presentation covers: Core 1-Describe the structure of the atom as a central nucleus containing neutrons and protons surrounded by electrons in shells 2-State the relative charges and relative masses of a proton, a neutron and an electron 3-Define proton number / atomic number as the number of protons in the nucleus of an atom 4-Define mass number / nucleon number as the total number of protons and neutrons in the nucleus of an atom 5-Determine the electronic configuration of elements and their ions with proton number 1 to 20, e.g. 2,8,3 6-State that: (a) Group VIII noble gases have a full outer shell (b) the number of outer shell electrons is equal to the group number in Groups I to VII © the number of occupied electron shells is equal to the period number Contains examination style questions and tasks for pupils to complete.
AQA GCSE Biology- Inheritance
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AQA GCSE Biology- Inheritance

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Designed for the new specification AQA GCSE course but can be modified for other exam boards. 29 slides covering Inheritance: By the end of the powerpoint students would have covered: 4.6.1.6 Genetic inheritance 4.6.1.7 Inherited disorders 4.6.1.8 Sex determination
AQA GCSE Biology-Hormones in human reproduction
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AQA GCSE Biology-Hormones in human reproduction

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Designed for the new specification AQA GCSE( covers spec point 4.5.3.4 ) course but can be modified for other exam boards. 23 slides covering Hormones in human reproduction: By the end of the powerpoint students would have covered: 4.5.3.4 Hormones in human reproduction Students should be able to describe the roles of hormones in human reproduction, including the menstrual cycle. During puberty reproductive hormones cause secondary sex characteristics to develop. Oestrogen is the main female reproductive hormone produced in the ovary. At puberty eggs begin to mature and one is released approximately every 28 days. This is called ovulation. Testosterone is the main male reproductive hormone produced by the testes and it stimulates sperm production. Several hormones are involved in the menstrual cycle of a woman. Follicle stimulating hormone (FSH) causes maturation of an egg in the ovary. Luteinising hormone (LH) stimulates the release of the egg. Oestrogen and progesterone are involved in maintaining the uterus lining. (HT only) Students should be able to explain the interactions of FSH, oestrogen, LH and progesterone, in the control of the menstrual cycle. (HT only) Students should be able to extract and interpret data from graphs showing hormone levels during the menstrual cycle. Contains examination questions Alternative starter question for triple or combined science students.
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
AQA GCSE Biology- Culturing microorganisms
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AQA GCSE Biology- Culturing microorganisms

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Designed for the new specification AQA GCSE( covers spec point 4.1.1 ) course but can be modified for other exam boards. 19 slides covering Culturing microorganisms: -State how bacteria multiple -Describe how to prepare an uncontaminated culture using aseptic technique -Calculate cross-sectional areas of colonies -Calculate the number of bacteria in a population after a certain time if given the mean division time -Required practical activity 2: investigate the effect of antiseptics or antibiotics on bacterial growth using agar plates and measuring zones of inhibition.