1. unkown 2. The sun shining on the gnomon, which is pronounced no-men, causes a shadow to appear. When the shadow falls on the appropriate line on the base, it displays the time. The placement of the lines on the ground are dependent upon the particular location of the sundial, and vary according to a number of factors such as the latitude of the sundial. Go to Stonehenge in Medieval Age and say, "A shadow can tell time!" a. Morning and Afternoon b. Night and Day c. Dawn and Dusk d. Noon and Midnight a. Oolatic Hematite b. Green Schist c. Pink Granite d. Black Marble