Y13 Class Lessons 2019 Homeostasis

Tuesday 30 April An introduction to Homeostasis SLO: Define homeostasis and use an example to illustrate the big ideas. What is homeostasis? Work through Ppt Examples of human feedback loops Homework: Biozone (internal book) pgs 35 – 39 Remember to bring from now on.

Wednesday 1 May Revision Revision for Plant and animal formative test

Thursday 2 May Plant and animal formative test

Friday 3 May The role of negative feedback – The Nervous System (communication) SLO: Explain the role of negative feedback in homeostatic systems – nervous. Re-cap introduction to Homeostasis Homeostatic loops – video/taking notes Homeostatic loops Nervous communication – Complete worksheet using ppt info and textbook info. Complete pgs 33-34 Scipad

Tuesday 7 May The role of negative feedback – The Nervous System: Hypothermia SLO: Explain the role of negative feedback in homeostatic responses – hypothermia: example of a neural based feedback system. Thermoregulation – complete pg 35-37 in Scipad ‘Cold water survival’ – video. Cold water survival Write a description of a neural-based feedback system (hypothermia) using as many as today’s new words/idea as you can. Use Homeostasis notes and Regulating body temperature ppt to help (have sent to you). Homework – keywords + research and complete pg 40 Scipad

Wednesday 8 May The Nervous system: Hypothermia continued SLO: Explain the role of negative feedback in homeostatic responses – hypothermia: example of a neural based feedback system. What hypothermia does to the brain and body Finish writing descriptions of cold reaction Hyperthermia Scipad Hyperthermia overview Up to 9 mins. Take notes Write a description of what the body does to get back to set-point when overheated

Thursday 9 May Hyperthermia SLO: Explain the role of negative feedback in homeostatic responses – hyperthermia: example of a neural based feedback system. Hyperthermia Scipad Hyperthermia overview Up to 9 mins. Take notes Hypothermia overview Write a description of what the body does to get back to set-point when overheated

Friday 10 May The Nervous System in detail SLO: Explain the role of negative feedback in homeostatic responses - Use of the nervous system for short term quick responses A brief introduction to the nervous system Nervous system ppt Complete worksheet as we work through the ppt

Tuesday 14 May Hormonal communication SLO: Explain the role of negative feedback in homeostatic responses (hormonal system). The endocrine system – introductory video. How the endocrine system works ‘Hormonal control’ ppt The endocrine system – glands video Endocrine glands Textbook reading pgs 121 - 125 Research one example (and summarise) of an endocrine-based homeostatic response.

Wednesday 15 May Hormonal communication Finish yesterdays lesson Reading on hormonal communication

Thursday 16 May Muscles as effectors SLO: Describe how muscles work as effectors in a homeostatic system Overview so far Homeostatic control systems Muscles as effectors – ppt Working through ppt, video and worksheets on thermoregulation. Read textbook chapter 18, pgs 176n – 191 and do ‘Test your basics’

Friday 17 May Thermoregulation 2 SLO: Describe the homeostatic systems that operate to regulate body temperature (thermoregulation). Working through ppt, video and worksheets. Homework: (continue working on this) Read textbook chapter 18, pgs 176n – 191 and do ‘Test your basics’ and Workbook Unit 2, pgs 99 - 105

Friday 10 May The homeostatic response to exercise SLO: Describe the homeostatic response to exercise. Homework: Set point, hyper and hypo Feedback loops: key terms Feedback loops: toilet cistern example and questions Taking body measurements/exercise Homework: keywords + Use one of the hyper/hypo systems to draw a feedback loop using the correct terminology.

Friday 10 May Human feedback loops SLO: Explain the role of negative feedback in homeostatic responses. Homework – sharing examples. Exercise – finish collecting results/meaning. Examples of human feedback loops. Questions on human feedback loops. Textbook - Read pgs 97-100 and complete ‘Test your basics’. Homework – For the week, work through workbook pgs 93 - 98

Wednesday 15 May Comparing nervous and hormonal communication SLO: Explain the role of negative feedback in homeostatic systems – nervous and hormonal. The endocrine system – glands video. Complete worksheet pgs 62-63 Research one example (and summarise) of an endocrine-based homeostatic response. Create a compare and contrast map for nervous and endocrine system responses.

Tuesday 14 May The role of negative feedback in homeostatic responses SLO: Explain the role of negative feedback in homeostatic responses. Homeostasis ppt – re-cap so far. What exactly is negative feedback? Definition and example. What’s the difference between positive and negative feedback loops? Control systems. Drawing basic negative feedback loops – peer assessed. Textbook - Read pgs 97-100 and complete ‘Test your basics’. Homework – For the week, work through workbook pgs 93 - 98

Thursday 16 May Comparing nervous and hormonal communication SLO: Explain the role of negative feedback in homeostatic systems – nervous and hormonal. Finish answers. Use Compare and contrast map to compare the nervous and hormonal systems.

Friday 17 May Comparing NS/HS Muscles as effectors SLO: Explain the role of negative feedback in homeostatic systems – nervous and hormonal. Half period – finish compare and contrast maps writing exam-type answer (Compare and contrast the NS and HS using examples). Peer review.

Tuesday 21 May Group work – other systems SLO: Describe the homeostatic systems that operate to regulate blood pressure, osmoregulation and respiratory gases. Work in groups of 3 to each produce a summary sheet on another homeostasis system Activity on next slide

Wednesday 22 May Finish group work Finish summary sheets and hand in for photocopying Complete any incomplete pages in Scipad internal workbook for homeostasis

Thursday 23 May Homeostasis wrap-up Summary of topic Advice on Formatives and Summatives

Friday 24 May – Thursday 30 May Formative

Friday 31 May Going over formatives

Tuesday 4 June – Friday 7 June Summative

Thursday 23 May Thermoregulation 3 SLO: Describe the homeostatic systems that operate to regulate body temperature (thermoregulation). Work through ppt on thermoregulation Activities (demonstrations from worksheet) Homework: Complete worksheet up to research task

Friday 24 May Thermoregulation experiments SLO: Describe the homeostatic systems that operate to regulate body temperature (thermoregulation). Thermoregulation experiment Finish Thermoregulation ppt Homework: (continue working on this) Read textbook chapter 18, pgs 176n – 191 and do ‘Test your basics’ and Workbook Unit 2, pgs 99 - 105

Tuesday 28 May Hypothermia and hyperthermia SLO: Describe the homeostatic systems that operate to regulate body temperature (thermoregulation). Experiment – analysis Finish thermoregulation ppt Research and write a report on both hyper and hypothermia. Use guidelines from page 71 in your handout. Homework: (continue working on this) Read textbook chapter 18, pgs 176n – 191 and do ‘Test your basics’ and Workbook Unit 2, pgs 99 - 105

Wednesday 29 May Hypothermia and Hyperthermia SLO: Describe the homeostatic systems that operate to regulate body temperature (thermoregulation). Research and write a report on both hyper and hypothermia. Use guidelines from page 71 in your handout. Homework: (continue working on this) Read textbook chapter 18, pgs 176n – 191 and do ‘Test your basics’ and Workbook Unit 2, pgs 99 – 105

Thursday 30 May Hyperthermia and Hypothermia SLO: Describe the homeostatic systems that operate to regulate body temperature (thermoregulation). Research and write a report on both hyper and hypothermia. Use guidelines from page 71 in your handout. Homework: (continue working on this) Read textbook chapter 18, pgs 176n – 191 and do ‘Test your basics’ and Workbook Unit 2, pgs 99 – 105