Test your knowledge about lighthouses...

 
Name:
Email:
Describe how a Fresnel lens works
What is your favorite lighthouse and why?
Which of these fuel sources have been used in lighthouses?(Check all the apply)
Sperm whale oil
Hydrogen
Kerosene
Solar Power
  
Who invented the Fresnel lens?
Thomas Jefferson
Argand Fresnel
Augustin Fresnel
Benjamin Franklin

Unique markings are painted on lighthouses to: