This is part of a science course for all abilities at Key Stage 3, designed to provide full and balanced coverage of the knowledge, skills and processes required by the National Curriculum Programme of Study. Three pupils' books (for Years 7, 8 and 9) are supported by corresponding teacher's guides.... The Morse Code is made up of dots and dashes: h Is it an analogue or a digital signal? i Draw a circuit diagram of a ... 3 Write down i) the input and ii) the output, for each of these systems: a) a burglar alarm b) an electric guitar c) a torch d) automatic doors in a shop e) a TV set 0 you hearing your name. 4 Are these analogue or digital? a) the volume control on a radio b) traffic lights c) the school bell.
|Title||:||Spotlight Science 8|
|Author||:||Keith Johnson, Sue Adamson, Gareth Williams|
|Publisher||:||Nelson Thornes - 1994-05|