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Transcript
Year 8 Science Course 2 2017 Term 3: Cells and Living Systems Text: Oxford Science 8 Biological Science Content Descriptions Cells are the basic units of living things; they have specialised structures and functions (ACSSU149) • • • • • • examining a variety of cells using a light microscope, by digital technology or by viewing a simulation distinguishing plant cells from animal or fungal cells identifying structures within cells and describing their function recognising that some organisms consist of a single cell recognising that cells reproduce via cell division describing mitosis as cell division for growth and repair Multi-cellular organisms contain systems of organs carrying out specialised functions that enable them to survive and reproduce (ACSSU150) • identifying the organs and overall function of a system of a multicellular organism in supporting the life processes • describing the structure of each organ in a system and relating its function to the overall function of the system • examining the specialised cells and tissues involved in structure and function of particular organs • comparing similar systems in different organisms such as digestive systems in herbivores and carnivores, respiratory systems in fish and mammals • distinguishing between asexual and sexual reproduction • comparing reproductive systems of organisms Wk Topic Cells: 6.1 & 6.3 1 Microscopes: 6.2 1 Cell to organism: 6.4 2 Content Animal, Plant and Fungal cells Distinguish between plant cells & animal cells, giving function to their parts Function of the organelles Nucleus, cytoplasm, vacuole, cell membrane, cell wall, mitochondria, Identifying structures within cells and describing their function Types of microscopes Names the basic parts of the microscopes and their function Both monocular and binocular Simple magnification calculations Electron microscopes (just discuss) Examine the specialised cells and tissues involved in structure and function of particular organs Tissue Epithelium, Connective, Muscle, Nervous Organs Liver, kidney, heart, lungs Systems Respiratory, skeletal, excretory, nervous, reproductive, circulatory Recognise that cells reproduce via cell division Activities Draw and label cells Construct a cell (groups) Review questions Work sheets About cells Cell Information Cells OS8: Cell worksheets Label microscopes Practical activity 1 (preparing a wet mount) Set up microscopes with a range of prepared slides, students move around the room and draw each animal slide. Work sheets Basic Microscope ,Cells and Microscopes, Microscope Parts, Microscope No Labels, Microscope Activity sheet 2.8 Work sheets Organ Systems OS8: Specialised cells Resources and Experiments OS8 Drawing cells, p97 OS8 Comparing the size of cells and their parts OS8 Looking at organelles, p103 http://www.bbc.co.uk/bitesize/ks 3/science/organisms_behaviour _health/cells_systems/activity/ OS8: getting to know your microscope, p99 Microscope practical, OS8. Assessment and Homework Units 6.1 & 6.3 questions Unit 6.2 questions. Label microscope worksheet. OS8: Classifying using cells, p105 OS8: Plant and Animal cells, p105 Unit 6.4 questions 3 4 Living systems Digestive system 7.1-7.4 Breathing and respiration: 7.5-7.6 describing mitosis as cell division for growth and repair Systems in the human body Describe the structure of each organ in a system relating it s function to the overall function of the system Describe the specialised cells and tissues involved in the structure. Recognise structure of the Respiratory System and its parts and function Gas exchange in the alveoli Circulation: 7.7 – 7.8 5 6 7 Waste disposal: 7.9 Plants: Tissues & Organs: 7.10 Structure of the Heart Vessels Arteries, Veins And Capillaries Blood WBC, RBC, Platelets, Plasma Processes of excretion by organs Lungs, liver, skin, kidney Structure of the kidney Kidney diseases Osmosis Leaves stems roots phloem Types of digestion Small intestine Large intestine Digestive disorders – ulcers, gallstones, gluten intolerance Work sheets Digestive System Digestive System cutout activity Label the Digestive system Oxygen, lungs, diaphragm Mechanics of breathing Work sheets Respiratory problems – asthma, emphysema, pneumonia Heart dissection Observe Microscope slides of Arteries, Veins And Capillaries Blood- WBC, RBC, Platelets, Work sheets Circulatory System Transport of blood Vessels Kidney dissection Kidneys, skin, liver worksheets: OS8 Work sheets Kidney dialysis Osmosis absorbing water Stems transporting water Leaves exchanging gases Worksheets: Osmosis/transportation Brown paper body brainstorm, p117: OS8 Digesting protein, p119:OS8 What if an enzyme was boiled?, p119:OS8 http://www.bbc.co.uk/education/t opics/zf339j6 7.1 -7.4 questions Measuring lung capacity, p125 OS8 Fish dissection, p125 OS8 http://www.bbc.co.uk/education/t opics/zvrrd2p/resources/1 P131 OS8: Modelling blood flow Heart Dissection Unit 7.5 -7.6 questions Mid term practical test: Cells & Microscopes 5% Units 7.7-7.8 questions Heart Practical Assessment OS8: Kidney dissection p133 Unit 7.9 questions Stomata of a leaf, p135: OS8 Locating xylem & phloem, p135: OS8 Factors affecting transpiration, p135: OS8 Unit 7.10 questions 8 9 10 Asexual and sexual reproduction: 8.1-8.3 Different forms of reproduction: asexual and sexual reproduction in plants and animals Compare reproductive systems of organisms Flower dissection Work sheets Asexual reproduction Flowering plants Parts of a flowering Plant Plant reproduction Vegetative propagation, p141: OS8 http://www.bbc.co.uk/education/t opics/zybbkqt REVISION Unit 8.1-8.3 questions Unit test Assessment Outline Assessment Type Title Weighting Test Mid term practical test: Cells & Microscopes 5% Practical test Heart Dissection 5% Unit test Topic Test 10%