Describe the ray model Worksheet 3.6.5; Quick starter; 3.6.5 Using the ray Use of ray model to of light model explain imaging in Practical sheet 3.6.5 Interactive activity: Explain how the mirrors, the pinhole Reorder the camera, the refraction direction of light rays sentences to of light and convex can be changed describe how light lens in focusing Explain how a pinhole enters the eye (qualitative); the camera and the eye human eye work Describe light as a way Worksheet 3.6.6; Quick starter; 3.6.6 Understanding Light transferring of transferring energy energy transfer by energy from source to Practical sheet 3.6.6; Interactive activity: Give examples of light absorber, leading to Technician's notes 3.6.6 Drag the objects chemical and electrical chemical and into the correct electrical effects; effects when materials group - source of photo-sensitive absorb light light, or reflector of material in the retina Explain changes that and in cameras light; Slideshow: happen when materials absorb light Making use of light energy; Video Describe how a Worksheet 3.6.7; Quick starter; 3.6.7 Exploring coloured Colour and the spectrum can be light different frequencies Practical sheet 3.6.7; Slideshow: produced from white of light, white light and Technician's notes 3.6.7 Separating and light prisms (qualitative combining colours; only); differential Compare the properties Interactive activity: colour effects in of light of different Order the colours of absorption and diffuse frequencies reflection the spectrum, from Explain how light of different wavelengths the shortest can be split and wavelength to the recombined longest; Slideshow: Explaining refraction; Hangman: Key vocabulary game
3.6.5 Using the ray model Use of ray model to explain imaging in mirrors, the pinhole camera, the refraction of light and convex lens in focusing (qualitative); the human eye Describe the ray model of light Explain how the direction of light rays can be changed Explain how a pinhole camera and the eye work Worksheet 3.6.5; Practical sheet 3.6.5 Quick starter; Interactive activity: Reorder the sentences to describe how light enters the eye 3.6.6 Understanding energy transfer by light Light transferring energy from source to absorber, leading to chemical and electrical effects; photo-sensitive material in the retina and in cameras Describe light as a way of transferring energy Give examples of chemical and electrical effects when materials absorb light Explain changes that happen when materials absorb light Worksheet 3.6.6; Practical sheet 3.6.6; Technician's notes 3.6.6 Quick starter; Interactive activity: Drag the objects into the correct group - source of light, or reflector of light; Slideshow: Making use of light energy; Video 3.6.7 Exploring coloured light Colour and the different frequencies of light, white light and prisms (qualitative only); differential colour effects in absorption and diffuse reflection Describe how a spectrum can be produced from white light Compare the properties of light of different frequencies Explain how light of different wavelengths can be split and recombined Worksheet 3.6.7; Practical sheet 3.6.7; Technician's notes 3.6.7 Quick starter; Slideshow: Separating and combining colours; Interactive activity: Order the colours of the spectrum, from the shortest wavelength to the longest; Slideshow: Explaining refraction; Hangman: Key vocabulary game