Geocaching+Task

Task
Your task is to help Mrs. Klinger create an online slide show with pictures and voice recordings for other teachers to use in their classrooms. The slide show will answer the following essential questions:
 * 1) What is GPS?
 * 2) What are GPS receivers and how do they work?
 * 3) Who invented the GPS system and why?
 * 4) How many satellites are they and how do they work?
 * 5) Explain triangulation and how it relates to GPS.
 * 6) What is geocaching and what are the rules?
 * 7) List and explain 7-10 uses for GPS technology in the world today.
 * 8) Important vocabulary related to GPS and geocaching.