LIGHT AND SHADOWS

LUZ Y SOMBRAS

 

CAN YOU DESCRIBE HOW LIGHT TRAVELS AND USE THIS MODEL TO SHOW HOW A PINHOLE CAMERA WORKS?


MATERIALS (Details in Teacher Notes linked below)

Activity 1 – How Does Light Travel?

  1. Cardboard square with triangle hole cut in the center,

  2. Small light source like an LED key chain light or  bare flashlight bulb. LED finger lights work well too. 

Activity 2 – Two Light Sources

  1. Same as Activity 1, but add a second bulb preferably of a different color. 

Activity 3 – More Light Sources

  1. Replace the small point sources of light with a bulb with a long filament, like the kind used in fish tanks or  
    display cases. 

Activity 4 – Make a Pinhole Viewer

  1. Empty carton, size not important but at least 25 cm on a side

  2. Tansparency paper or waxed paper

  3. Aluminum foil

  4. Sharp pencil

  5. Tape

  6. Black electrical tape as needed)

OPTIONAL ACTIVITIES: Everyday Pinhole Images and Oatmeal Box Pinhole Camera. See teacher notes for details.

STUDENT INSTRUCTIONS AND TEACHER NOTES


PowerPoint Slides with Student Instructions Light_and_Shadows_Slides.pptx.zip


Presentaciones de PowerPoint con instrucciones para estudiantes  Luz y sombras.pptx.zip


Teacher background notes LIght_and_Shadow_Teacher_Notes.pdf

Handout for recording observations and data Light_and-Shadows_Observations.pdf 

Video showing construction of pinhole viewer Optics Exploration- The Pinhole Viewer


Pinhole photos taken with an oatmeal box camera  Student photos