Here is a complete unit on light perfect for your chemistry, physics, or astronomy unit for Middle School SciencePRODUCT CONTAINSLabsGuided ReadingTeacher notesGraphic organizersMATERIALSClear Plastic cupClear square containerWater in a pitcher1 Compact disc such as a music CD1 Piece of white copy paperCamera or colored pencils or crayonsPencil1 clear drinking glass (try one made of clear glass first)WaterMilkSpoonEyedropperBright flashlightAny handheld remote controls from around the house (TV