1. Vocabulary #1 light photos

2. Photograph – picture drawn by light Photograph – picture drawn by light Telephoto – light from far away Telephoto – light from far away Photometer – a device which measures light Photometer – a device which measures light Phototropic – turning toward light Phototropic – turning toward light Photophilia – love of light Photophilia – love of light Photophobia – fear of light Photophobia – fear of light Photosynthesis – a process of putting things together by using light Photosynthesis – a process of putting things together by using light

3. Vocabulary #2 to write or draw graph

4. Photograph – picture drawn by light Photograph – picture drawn by light Phonograph – machine for writing (or recording) sound Phonograph – machine for writing (or recording) sound Telegraph – writing from far away Telegraph – writing from far away Graph – pictured information Graph – pictured information Lithograph – drawing made on stone Lithograph – drawing made on stone Graphite – black carbon used for drawing or writing Graphite – black carbon used for drawing or writing Autograph – to write one’s own name Autograph – to write one’s own name Phonogram – written symbol for a sound Phonogram – written symbol for a sound Hologram – a three-dimensional photograph of a whole object Hologram – a three-dimensional photograph of a whole object