Note: From a dialup or slow connection, you may have to wait for about 1 minute for the animation file (70K) to finish downloading. Until then, it may stop or may be jerky.

• Do you know or can you guess the names of the parts?
  Here's a list to choose from. Watch out, there are a few extras that you won't use:

  ammeter          pulley        battery
  brake            motor         DPDT switch
  simple switch    lightbulb     fuse           
  gear             wire          steering wheel
  

  1. Each green line is a:
  2. The blue thingy with long and short lines is a:
  3. The orange squiggle thing is a:
  4. The red thing is a:
  5. The purple thing is a:
  6. The yellow circle thing is a:
  7. The brown circle thing is a:
  8. The silvery spinning thing is a:
  
  
• Watch for a minute, then see if you can answer these questions:
  
  1. What happens when the red thingy moves?
  2. What changes after the purple thing has moved?
  3. What is the yellow thing trying to show?
  4. Why do the blue "+" and "-" symbols change around?