SENSORS

SENSORS

1. Weather Station

   • USES
     • they are usually unmaned and use a variety of sensors to measure rainfall temperature ,humidity and wind
   • WORK
     • Are set up to automatically gather data from the enviroment

2. DISADVANTAGES

   • IT IS POSIBLE the student will not learn using a computer
   • the computer is unable to respond to unusual circustances
   • they can be expensive
   • the computer with malfuntion , the computer can not be used

3. MEASURING POLLUTION

4. ADVANTAGES

   • give 24 hour service
   • computer is much faster
   • would not forget to take readings
   • reading more accurate