1. Contemporary science issues Lesson 15: Are mobile phones bad for your health? Starter task cards (4 cards per A4 page) © 2006 Gatsby Technical Education Projects Uses: Used in telecommunications (e.g. Mobile phones) Used to cook. Dangers: Can cause burns at high amplitudes Uses: Used to cook. Used to transmit signals (e.g. T.V. Remote controls) Dangers: Can cause burns at high amplitudes

2. Uses: Detected by human eyes. Used for communication. Dangers: Can cause blindness at high amplitudes. Uses: Used in Sun beds. Dangers: Can cause skin cancer. Can damage your eyes Uses: Used to detect fractures in bones. Dangers: Repeated and prolonged exposure can increase risk of cancer. Uses: Used to sterilise medical equipment. Used in the treatment of cancer. Dangers: Repeated and prolonged exposure can increase risk of cancer.

3. X - Rays Ultra Violet Light (UV light) Uses: Used to transmit signals for Radio and Television. Gamma Rays

4. MicrowavesRadio Waves Visible light Infrared Waves

5. Short Wavelength Long Wavelength High Frequency Low Frequency