transferring information for conversion to electrical signals by microphone. sound produced by vibrations of objects, in loud speakers, detected by their effects on microphone diaphragm and the ear drum; sound waves are longitudinal Year Term 2 2.4.3 Waves, wave Exploring the similarities and Understanding light can vary in Worksheet 2.4.3; 9 3 properties differences between Technician’s frequency. light waves and waves notes 2.4.3 Describe UV light and its risks. in matter Explain the uses of UV light. light waves travelling Year Term 2 2.4.4 Waves, wave Exploring waves Worksheet 2.4.4; Use water waves to model wave through a vacuum; 9 3 properties Technician’s behaviour. speed of light notes 2.4.4 Understand and apply the the transmission of processes of reflection and light through materials: absorption. absorption, diffuse Year Term 3 2.4.5 wave Comparing Worksheet 2.4.5; Understanding longitudinal scattering and specular 9 3 properties transverse and Practical sheet waves. reflection at a surface longitudinal 2.4.5; Understanding transverse waves. use of ray model to waves Technician’s explain imaging in Comparing types of wave notes 2.4.5 mirrors, the pinhole camera, the refraction of light and action of convex lens in focusing (qualitative); the human eye light transferring energy from source to absorber leading to chemical and electrical effects; photo-sensitive material in the retina and in cameras colours and the different frequencies of light, white light and prisms (qualitative only); differential colour effects in absorption and diffuse reflection.
transferring information for conversion to electrical signals by microphone. sound produced by vibrations of objects, in loud speakers, detected by their effects on microphone diaphragm and the ear drum; sound waves are longitudinal Year 9 Term 3 2 2.4.3 Waves, wave properties Exploring the similarities and differences between light waves and waves in matter light waves travelling through a vacuum; speed of light the transmission of light through materials: absorption, diffuse scattering and specular reflection at a surface use of ray model to explain imaging in mirrors, the pinhole camera, the refraction of light and action of convex lens in focusing (qualitative); the human eye light transferring energy from source to absorber leading to chemical and electrical effects; photo-sensitive material in the retina and in cameras colours and the different frequencies of light, white light and prisms (qualitative only); differential colour effects in absorption and diffuse reflection. Understanding light can vary in frequency. Describe UV light and its risks. Explain the uses of UV light. Worksheet 2.4.3; Technician’s notes 2.4.3 Year 9 Term 3 2 2.4.4 Waves, wave properties Exploring waves Use water waves to model wave behaviour. Understand and apply the processes of reflection and absorption. Worksheet 2.4.4; Technician’s notes 2.4.4 Year 9 Term 3 3 2.4.5 wave properties Comparing transverse and longitudinal waves Understanding longitudinal waves. Understanding transverse waves. Comparing types of wave Worksheet 2.4.5; Practical sheet 2.4.5; Technician’s notes 2.4.5
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