CONTEXT 1:
Year 9 ScienceGive Me Energy!Scope and sequence summaryEnergy comes in different forms, and with its many forms comes its many uses. In this unit, students will learn about energy transfers and the different mediums that energy can be transferred using the wave and particle model. With many advantages, and unfortunately some disadvantages, Electromagnetic Radiation plays a particular important role in today society especially in communications technology and in medicine. Through various forms of research and presentation, students investigate the everyday uses of Electromagnetic Radiation in communication technology such as the mobile phone, and the important use of Electromagnetic Radiation in medicine. Electric energy is one of the most common forms of energy used in today’s society. Students will reflect on the use of electric energy in their daily lives and research how it has impacted on modern technologies.Unit overviewIn this unit, student will be able to research, design and conduct first hand investigations on and debate about the use of Electromagnetic Radiation in today’s society. Students will construct electric circuits and identify factors that influence electric energy.DurationWeeksOutcomesAssessmentSC55WS produces a plan to investigate identified questions, hypotheses or problems, individually and collaborativelySC57WS processes, analyses and evaluates data from first-hand investigations and secondary sources to develop evidence-based arguments and conclusionsSC58WS applies scientific understanding and critical thinking skills to suggest possible solutions to identified problemsSC59WS presents science ideas and evidence for a particular purpose and to a specific audience, using appropriate scientific language, conventions and representationsSC510PW applies models, theories and laws to explain situations involving energy, force and motionSC511PW explains how scientific understanding about energy conservation, transfers and transformations is applied in systemsStudent records and team reflections Practical investigations in practical booksProcessing and analysing dataStudent self-assessment of learning using a teacher-provided evaluation sheetUse of digital applications such as padlet, socrative, millennium, excel etcUse of marking rubrics to assess team presentationsPeer evaluations on experimentsSummative practical assessment taskBook marksWorking Scientifically OutcomesPlanning investigations (SC4-5WS)WS5.2Students plan?first-hand investigations by:a. collaboratively and individually planning a range of investigation types, including fieldwork, experiments,?surveys and research (ACSIS125, ACSIS140)Conducting Investigations (SC4-6WS)WS6Students conduct investigations by:b. assembling and using appropriate equipment and resources to perform the investigation, including safety equipmentProcessing and analysing data and information (SC4-7WS)WS7.1Students process data and information by:WS7.2Students analyse data and information by:d. applying numerical procedures and mathematical concepts and using digital technologies, where appropriate g. critically analysing the validity of information from secondary sources (ACSIS172, ACSIS206) Problem solving (SC4-8WS)WS8Students solve problems by:a. describing strategies to develop a range of possible solutions to an identified problemg. evaluating different approaches used to solve problems (ACSIS172, ACSIS206)Communicating (SC4-9WS)WS9Students communicate by:a. selecting and using in presentations, for different purposes and contexts,?appropriate?text types including discussions, explanations, expositions, procedures, recounts or reports c. using appropriate units for physical quantities and symbols to express relationships, including mathematical ones Literacy - Vocabulary Alternating currentAmmeterCircuit diagram Direct currentElectrical resistanceElectric cellCircuitCurrentGeneratorElectromagnetFuseMagnetic field Parallel circuitSeries circuitShort circuitVoltageVoltmetervoltsCataracts ConcaveConvexCorneaDispersionFocal length ImageIrisLaserLaw of reflectionLong sightedOptic nervePixelsPolarisedPupilRefractionRetinaShort sightedSpectrumTotal internal reflection AmplitudeAnalog CapacitorDiodeElectromagnetic radiationElectronicsFluorescentFrequency Gamma raysHertzInfraredLiquid crystal display (LCD)MicrochipModemPhosphorsSemiconductorTransistorultraviolet21971017145ContentSkillsTeaching and learning activities ResourcesRegisterCoreDeveloping & ExtensionPW1 b. identify situations where waves transfer energy.Context: Waves transfer energy. Energy is carried in waves and is seen to occur in natural disasters such as in earthquakes, and tsunami’s. Discuss the concept of energy and brainstorm ideas of different energy forms and transformations with examples of their uses.PW1 c. describe qualitatively, using the wave model, the features of the waves including wavelength, frequency and speed.State that transverse waves are a carrier of energy, and that wave motion is the transfer of energy from one place to another.Draw a labelled diagram of the wave model:Describe the wave model including: wavelength, frequency and speed. State that the wavelength is the distance from one point on the wave to the next identical point.Define and draw the following three types of waves:Transverse wavesLongitudinal wavesTransverse electromagnetic wavesResearch the different types of wave energy in earthquakes and tsunami’s. ContentSkillsTeaching and learning activities ResourcesRegisterCoreDeveloping & ExtensionPW1 d. explain, using the particle model, the transmission of sound in different mediums.Explain how sound travels, and that sound needs a medium to travel in. State that longitudinal waves are sound waves.Label and define the following parts of a wave: crest, amplitude, wavelength and trough.State that frequency is measured in Hz.State what the particle model theory is and state that sound needs a medium to travel in. List down some examples of different mediums where they notice sound has changed.Review the differences between different mediums of solids liquids and gases.bbc.co.uk/bitesize/ks3/science/chemical.../particle_model/activity Practical: bell jar and tuning fork with/without water. Students are to select different mediums in which sounds can travel in, and explain how it travels in each medium selected. Students need to select appropriate way to present their information collected.E: Explain how humans hear soundLabel and state the functions of the parts of the human ear. Compare the different waves different animals hear. Students research the differences in how animals hear and tabulate it.You tube video.PW1e. relate the properties of different types of radiation in the electromagnetic spectrum to their uses in everyday life, including communications technology.State that Electromagnetic Radiation in communication and medicine have improved our lives for the better. Many of these uses include mobile phones, the radio, and in medicine, the use of diagnostic materials like X-rays.Activity: numeracy w/s on electromagnetic ration and the different types and their uses.Research and present information in a table outlining the uses of different electromagnetic radiation.Recall the electromagnetic spectrum and where each of the above devices fit on the EMR.Research task: students construct a timeline on the history of communication.Explain how the telephone works, and the history of it: including analogue, digital.Activity: Making a telegraph OR modelling phones using plastic cups and strings.Group work assessment research/presentation task: Electromagnetic pollution- Are phones safe? Students are research to select most appropriate form to present information to the class.Discussion: application of electromagnetic radiation in medicine. Activity: Construction of a table to present informationCompare and list down the advantages and disadvantages of EMR in communications and in medicine.State that light is a form of radiation, and that it travels in transverse waves. State that the difference between sound and light waves: sounds waves need particle matter to vibrate to carry the sound and energy, light does not and can travel through space. Activity: students are to list down as many uses/sources of light that they can think of and the types of light including: luminous, incandescent, luminescent and non-luminous light with examples.E: Write a mnemonic for remembering the electromagnetic radiation.BBC Bitesize electromagnetic radiation (website)ContentSkillsTeaching and learning activities ResourcesRegisterCoreDeveloping & ExtensionPW1 f. describe the occurrence and some applications of absorption, reflection and refraction in everyday situations.Define the term reflection, absorption and refraction.List down some of the uses for mirrors, including in the past e.g. telescope, periscopes.Practical: Conduct an experiment to show the reflection of light on different surfaces.Select different surfaces (plain, curved and an irregular mirror) to test its reflective properties.Practical: ‘Law of reflection’ Identify and draw the following when observing the law of reflection:Incident rayAngle of incidenceReflected rayAngle of reflectionNormalBrainstorm examples of where refraction occurs.Practical: demonstrate refraction using a coin and water. Identify uses lenses. Compare the difference between short sightedness and long sightedness. Look at convex and concave lensesDefine absorption.Explain how we see colour, and talk about how rainbows are formed, and look at why the sky is blue.State that white light can be spilt into the visible light spectrum by passing through a prism.Practical: observe the colour spectrum, of white light. E: Practical: investigating lenses.Draw, label, and state the functions of the parts of the human eye:CorneaIrisPupilLensReinaOptic nerveBlind spot.Discussion: the similarities between the human eye and the lens of a camera.Activity-research task and presentation report: students identify a condition of the eye and describe strategies and possible solutions to correct that condition e.g. short sightedness, cataracts, colour blindness.Experiment: students are to select and collect appropriate equipment for the dissection of a mammalian eye. ContentSkillsTeaching and learning activitiesResourcesRegisterCoreExtension & DevlopingPW3a.describe voltage, current and resistance in terms of energy applied, carried and dissipatedBrainstorm: “ How/Where do we use electricity”Class discussion what things would you not be able to do if Discuss the transfer of electrical energy to other types of energy. Construct a table with examples of electrical appliances used in daily and their transfer of energy. Define the term voltage, current and resistance.State the units foroVoltage, V- voltoCurrent I- AmpoResistance R- Ohm ΩPW3b.describe qualitatively the relationship between voltage, resistance and currentExplain the relationship between current voltage and resistance using the analogy of the water pump circuit.Draw a diagram illustrating the comparison between the water pump and an electrical circuit.Define the terms:oConductoroResistorIdentify and distinguish between several items whether they are conductors or insulatorsICT: conductors and resistors web 2.0 game. Students differentiate between everyday products whether they are conductors or resistorNumeracy: draw graphs showing the relationship between voltage, resistance and currentContentSkillsTeaching and learning activities ResourcesRegisterCoreDeveloping & ExtensionPW3c. compare the characteristics and applications of series and parallel electrical circuitsDraw the symbols for the common components in simple circuits:Conductor/lead, Globe, Closed switch, Open switch, Ammeter, Voltmeter, Ammeter, Cell, Battery, ResistorExperiment: setting up parallel and series circuitsObserve the differences between parallel and series circuits. Observe the effect of increasing the amount of light bulbs to the circuitDraw labelled diagrams of electric circuits created.Construct a table to compare the advantages and disadvantages of both parallel and series circuits.Discuss and compare the effect of voltage and current on parallel and series circuits. List life examples where parallel and series circuits are applied.PW3 d. outline recent examples where scientific or technological developments have involved specialist teams from different branches of science, engineering and technology, eg low-emissions electricity generation and reduction in atmospheric pollution Solve problem solving questions relating to parallel and series circuits.Discuss and brainstorm ‘How electricity has contributed to modern technology?’ Provide examples of existing modern technologies that require electrical energy and identify branches of science involved.Skills Activity: Digital communication, how the ADSL internet connections work? Students interpret information provided and application of knowledge on electrical energy to solve questions.Research Task: Students in groups select a technological development and create a presentation based on:History of its developmentIts functionTypes of energy involvedContribution to societyAdvantages and disadvantagesUnit EvaluationTeacherStudentResourcesAssessments ................
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