Check Your Understanding Direction: Write FACT if the statement is true and BLUFF I it is false. Underline the words that makes the statement false. 1. Shadows lengthen as noon time approaches. 2. Shadows are created because of transparent objects blocking the light's pathway. 3. The Sun is the secondary source of heat and light on earth. 4. Shadows are longer when the Sun is on its horizon. 5. Shadows are formed when an opaque object blocks the light. ​