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Download TITLE of LESSON Immune system – Components of the immune
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TITLE of LESSON Immune system – Components of the immune system – White blood cells in action LANGUAGE German and English DESCRIPTION OF LESSON KEYWORDS Immune system, immune response, blood cell, white blood cell, lymphatic system, phagocytosis, microbiological intruder, lymph nodes, ((components of lymphatic system, i.e. thymus)) BRIEF OVERVIEW OF LESSON CONTENT Students discover the components of the immune system, regarding in overview the lymphatic system an in detail the structrure and function of a lymph node. Phagocytosis of white blood cells are identified as nonspecific immune response. The learning resources facilitate differentiated and collaborative knowledge construction using micro-modules and video-quest methodology. This lesson allows international cooperative / collaborative learning SUBJECT COVERAGE Secondary Science CURRICULUM see “Unit of work” LEARNING OBJECTIVES Learners … explore the lymphatic system as a 3D-walk from macro to micro structures (mental modelling) learn, that their body owns a specific defense systems observe white blood cells during (non-specific) phagocytosis of intruders (mental modelling) discuss and suspect that the human body is in charge of a specific immune response system (structure knowledge) MATERIALS REQUIRED Mind- or concept mapping software (or just A4/A3 paper to draw in it) Video messenger software or, at least e-mail contact online cloud (or platforms as prezi.com) to intercharge work results DURATION 2 x 45 min TARGET AUDIENCE Secondary School (in Germany: Realschule, Gymnasium) AGE RANGE 14 – 16 CONNECTION Lesson 4 of 8 in this Unit of work ASPECTS FOR COLLABORATION In-class and international cooparative / collaborative learning situation (by using internet technology, such as video messangers) REQUIRED KNOWLEDGE Basic knowledge of blood circulation and blood capillary system. Basic knowledge of phagocytosis EDUCATIONAL DESCRIPTION OF LEARNING ACTIVITY / ACTIVITIES SUGGESTIONS FOR USE IN THE CLASSROOM 1 ACTIVITY DESCRIPTION METHODOLOGY KEY QUESTIONS FOR SCAFFOLDING Pupil discover in pairs of two the lymphatic system in some kind of submerge 3D-journey [Tauchfahrt] up to the lymph nodes, using their own devices (especially suitable with tablets) Pupils “zoom” interactively through the lymphatic system and its major compontents. Thus they understand the lymphatic system as the central organ of the immune response and a deposit of various immune response cells. To document the virtual journey, each group constructs a mind map (more enabled pupils use concept mapping). Teacher will moderate each group to present a specific part the journey to the whole class. Pupils observe the stages and parts of lymphatic system. Describe the structure and function of lymphatic system on the whole Link-Tip: http://www.youtube.com/watch?v=db5nD3meWj4 (Das Lymphsystem, 1:53 min) http://www.youtube.com/watch?v=b2u7EyrSyko (Die Lymphe – Das Allerfeinste im Körper, 8:59 min) http://www.youtube.com/watch?v=yNmigegp9go (Das Lymphsystem, 26:30 min) Talk and discussion about structure and functions of the lymphatic components along prepared inquiry by teacher Discuss and explain the specific function of its components in an overview Documentation with mind and concept mapping Describe in detail structure and function of a lymphatic node Presentation in IWB to the whole class Identify the specifc cells that are deposited in lymphatic system Talk, discussion, documentation and presentation allows international cooperative / collaborative learning situations. Teacher and pupils should then have access to video messengers or presentation plattforms as i.e. prezi com. At least, there should be the possibility to exchange files and informations via e-mail. Describe the teamwork between blood capillary and lymphatic system LEARNING OBJECT/S 2 ACTIVITY DESCRIPTION METHODOLOGY KEY QUESTIONS FOR SCAFFOLDING Pupils explore the process of phagocytosis of a “foreign Body” by a white blood cell as slideshow or 3D-film. Teacher led presentation on IWB to the class Experience white blood cells as basic immune response Whole class discussion and predictions about the defense strategies of the human body Observe phagocytosis as nonspecific immune response Teachers can use this sequence to lead during discussions to the next lesson and the question, how the human body is able to defense itself against microbiological intruders – specifically. Link-Tip: http://www.youtube.com/watch?v=0TvTyj5FAaQ LEARNING OBJECT/S Give rise to suspicion that the human body owns – as second defence system – a specific immune response Make a presumption, how this specific immune response could work How white blood cells work 3 QUESTIONS FOR WHOLE CLASS DISCUSSION FOLLOWING LEARNING ACTIVITIES: > See “Key Questioning for scaffolding” ASSESSMENT METHODS Teacher questioning and moderating Discussion in classroom Documentation as mind or concept map DIFFERENTIATION Mixed ability groups for active investigations Buddy system to aid less able children Differentiated questioning to support and challenge less able and exceptionally able children Differentiated recording of results by children – written, oral, drawing or interactive recording on IWB CREATOR Steffen Schaal, Toni Cramer RIGHTS Creative Commons 3.0 (or use only, if resource from Klett Verlag) ANNOTATION USER ANNOTATION DESCRIPTION