Fourth thru Eighth grade can master this lesson in shading.
-use a large piece of construction paper and chalk
-use a white piece of chalk to lightly sketch at least 3 bottles
-turn the chalk on its side and color one side of all the bottles white and one side black. Press down lightly. Explain that the white side is where the light source is coming from.
-choose a color for the middle of each bottle
-use a paper towel to blend the chalk, don't let there be a line
-make a shadow under the bottles to show where they are sitting on a surface
