1. http://www.youtube.com/w atch?v=cfXzwh3KadE&list=P L2D6507E06F9A7FB2 http://www.youtube.com/w atch?v=cfXzwh3KadE&list=P L2D6507E06F9A7FB2 click to watch

2. http://www.bbc.co.uk/learni ngzone/clips/the- electromagnetic- spectrum/10676.html http://www.bbc.co.uk/learni ngzone/clips/the- electromagnetic- spectrum/10676.html How can you remember the order of the electromagnetic waves ? radio microwave infrared visible ultraviolet Xrays gamma 

3. http://www.bbc.co.uk/learningzone/clips/uses-of- electromagnetic-waves/10677.html http://www.bbc.co.uk/learningzone/clips/uses-of- electromagnetic-waves/10677.html So why do we need to know about electromagnetic waves? Because they are so useful...

4. wavelengthlong – just less than a metre to a few km frequencylowest usesbroadcasting, some satellite transmissions energylow http://www.youtu be.com/watch?v= Sgo41iUN1-s http://www.youtu be.com/watch?v= Sgo41iUN1-s

5. wavelengtha few cm. frequencylow usessatellite transmissions, mobile ‘phone signals, cooking and weather forecasting. energylow http://video.nationalgeographi c.co.uk/video/science/weird- science-sci/idkt-microwave- ovens/ http://video.nationalgeographi c.co.uk/video/science/weird- science-sci/idkt-microwave- ovens/

6. wavelengthshorter less than a mm frequencylow usesthermal images, cooking optical fibres, T.V remote controls and security systems energymoderate Just like on the last video or... http://www.youtube.c om/watch?v=f_CM4nlj nrQ http://www.youtube.c om/watch?v=f_CM4nlj nrQ

7. wavelengthshort thousandths of a mm frequencymedium usesvision, photography and illumination energymoderate http://www.youtu be.com/watch?v= sBWPCvdv8Bk http://www.youtu be.com/watch?v= sBWPCvdv8Bk

8. wavelengthshort frequencymedium usesfluorescent lamps, detecting forged bank notes, disinfecting water energymoderate http://www.youtube.c om/watch?v=Cz1PJVp 27tc&feature=related http://www.youtube.c om/watch?v=Cz1PJVp 27tc&feature=related

9. http://www.youtube.com/watch?v=umnnA50IDIY wavelengthvery short frequencyhigh usesobserving inside things, medical X-rays energyhigh http://www.youtube.co m/watch?v=umnnA50ID IY http://www.youtube.co m/watch?v=umnnA50ID IY

10. http://www.youtube.com/watch?v=umnnA50IDIY wavelengthvery short frequencyvery high usessterilizing food and medical equipment, detecting cancer and its treatment energyhigh http://www.y outube.com/ watch?v=Hv1 Of2_drRc http://www.y outube.com/ watch?v=Hv1 Of2_drRc This video is about cancer treatment.

11. Now you should have all the information you need for your poster.