4/23/12
Post date: Apr 25, 2012 4:36:38 PM
Bell ringer (verbal): What is light? How is light made?
Return tests and discuss
Introduction to light and color
Bill Nye - light and color
Post date: Apr 25, 2012 4:36:38 PM
Bell ringer (verbal): What is light? How is light made?
Return tests and discuss
Introduction to light and color
Bill Nye - light and color