P1d Cooking with Waves

(Can-Do Task P1d Cooking with Waves Name: ENERGY FOR THE HOME Date: 3 points I can present a balanced argument in favour of or against the positioning of a mobile phone mast. 4U2 Communicate PLC propose to erect a mobile phone mast in the location shown on the map, just outside Claydon off Church Lane. A consultation meeting will be held in the village hall on Thursday where the company will detail the proposal, take questions and listen to any concerns from the local community. Assignment Select one of the characters above, or any other interested party. Prepare your notes for the meeting on the reverse of this sheet so you can ask and answer any questions. You should consider: the need for the mast, the suitability of the location, possible effects on public health and environmental impact. You should refer to scientific evidence wherever possible.

Cooking with Waves07 June 2010James Ferguson Claydon High School1Cooking with WavesMr Ferguson Year 10 GCSE (Higher) ENERGY FOR THE HOME OCR Gateway Science Suite Lessons 7-8 (P1d)07 June 2010© 2006 James FergusonCooking with Waves07 June 2010James Ferguson Claydon High School2IndexConventional Oven Microwave Oven Conventional Ovens v. Microwave Ovens Microwave Communication Transmitting Microwaves Properties of MicrowavesCooking with Waves07 June 2010James Ferguson Claydon High School3ObjectivesExplain how microwaves and infrared transfer energy to materials. Describe how the energy associated with microwaves and infrared depends on their frequency and relate this to their potential dangers. Recognise how microwaves are used to transmit information in ‘line of sight’. Describe how diffraction and interference of microwaves can cause loss of signal.Cooking with Waves07 June 2010James Ferguson Claydon High School4Conventional OvenThe interior of the oven is heated by an electric element or gas flame.The matt black interior of the oven emits infrared radiation.BLACK IS A GOOD EMITTER