Search Results
Showing results 1 to 2 of 2
  
Finding the Size of the Sun and Moon
Source Institutions
    
  In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.
  
Magic Lanterns
Source Institutions
    
  A magic lantern is a light that projects an image onto a screen.