Wireless but not clueless
Activities
Uniserve Science (Australia)
Radio and television – students learn how the modulation of amplitude or frequency of visible light, microwaves and radio waves can be used to transmit information.
The electromagnetic spectrum – students use the internet to find out how modern communication technology works.
The digital age – students look at the development of digital technology and how it has become the core of modern communications.
Science Netlinks (American Association for the Advancement of Science, USA)
Communications technologies – students explore how technology has increased the ways in which people communicate.
Public Broadcasting Service (USA)
Inventing the future teaching guide: Private eyes – students investigate issues about computer technology and artificial intelligence by participating in a debate.
Science and Technology in Action (UK)
Broadband and the internet – students devise a digital (on/off) code that could be used to transmit a short text message electrically, and determine the differences between a basic router and a modem. Lesson notes are also available.
Science upd8 (UK)
Ban Wi-Fi? – students evaluate the validity of data from a TV experiment and evidence on the health risks of wi-fi.
Wireless – students reinforce their knowledge of energy transfer by electromagnetic radiation, evaluate the benefits and risks of ‘Wireless' and develop their thinking and communication skills by pitching ‘Wireless' to potential sponsors.
Networks for beginners (RAD Data Communications, Israel)
Introduction to digital encoding – explains how analog signals are translated into commonly used digital codes and supplies some translation exercises.
Rustle the Leaf (USA)
Toxic transmission – students investigate technology pollution and options for recycling of technological waste.
Page updated August 2007.