1. The Five Perceptual Skills of Drawing
1. The Perception of Edges
expressed through “line” or “contour” drawing
2. The Perception of Spaces
in drawing, called “negative spaces”
3. The Perception of Relationships
known as perspective and proportion
4. The Perception of Lights and Shadows
often called “shading”
5. The Perception of Gestalt
the wholeness of an object

2. 1. The Perception of Edges
Contour – In drawing, a line that represents the edges and surface ridges of an object.

3. Blind Contour Drawing – A drawing exercise where the artist fixes their eyes on the contours of the subject, drawing the contour very slowly with a steady, continuous line, without lifting the drawing tool or looking at the paper.

4. 2. The Perception of Space
Negative Space – the space around objects

5. 3. The Perception of Relationships
Proportion – A principle of design referring to the comparative, proper, or harmonious relationship to one another or to the whole with the respect to size, quantity, or degree; a ratio.
Leonardo da Vinci’s Vitruvian Man

6. Still Life – A representation of non-moving, non-living objects as the subject matter, such as fruit or flowers in a drawing, painting, or in photography.
Paul Cezanne, Still Life with a Dessert, 1887 or 1879, oil on canvas, 23 ¼ x 28 11/16 inches ,

7. Still Lifes by Masters 19th c. FRENCH POST-IMPRESSIONIST ARTIST
Paul Cezanne
19th c. FRENCH POST-IMPRESSIONIST ARTIST

8. Still Lifes by Masters
Abraham Mignon
17th c. Dutch Artist

9. Still Lifes by Masters
Caravaggio
16th c. Italian Baroque artist

10. Value - the lightness or darkness of a hue
Value - the lightness or darkness of a hue. It can be changed by adding white or black.
Value Scale – a scale which shows the lightness and darkness of a color. 
Tint – a light value of a color; usually made by adding white. 
Shade – a dark value of color; usually made by adding black.
Mid-tone – the medium tone. It’s usually the area of the sphere that’s in neither the direct light nor shadow.

12. Charcoal
the carbonaceous material obtained by heating wood or other organic substances in the absence of air.
Tools: vine charcoal, stick charcoal, compressed and pencil 

13. Edward Weston a 20th-century American photographer.
"one of the most innovative and influential American photographers
photographed landscapes, still lifes, nudes, portraits, genre scenes and even whimsical parodies.
Developed quintessentially American, and specially Californian, approach to modern photography"[3]because of his focus on the people and places of the American West.

14. Edward Weston peppers