Why don't you learn sketch from junior high school? In fact, the relationship between children's painting and sketch is completely different from the relationship between piano band 4 and band 8, and they are two kinds of painting. Children's paintings are suitable for children, but sketches are not suitable for children. Generally speaking, it is better to start studying in junior high school.

Children's painting can be said to be a kind of game, which is fun, interesting, playful and cathartic for children. It is also the rehearsal and foundation before formal painting. Sketching means that you have officially started to learn painting, which is a very boring and in-depth process that requires considerable understanding and patience.

Sketch should learn some perspective knowledge, such as near big and far small, horizon, apparent horizon, vanishing point and so on. These are all related to junior high school geometry, such as five tones of light and shade, reflection, highlight and so on. It has something to do with optics in junior high school physics.

Moreover, sketch pays attention to composition, space, three-dimensional sense and texture (the material on the surface of the object feels like gypsum, the canvas is as soft as cloth, and the glass is transparent), which requires a certain sense of art. These things are difficult for ordinary pupils to understand. Even junior high school students need a little effort.

The advantages of learning sketch are: improving observation ability, cultivating hand-eye coordination and writing ability, and cultivating spatial imagination, observation and concentration.

1. Improve the ability of perception and observation: Sketch is to express the picture by observing, analyzing and reproducing visual elements such as the shape, proportion, light and shadow of an object. By learning sketch, we can cultivate and improve our ability to observe details and spatial relations and improve our ability to perceive and understand the shape of objects.

2. Hand-eye coordination and the cultivation of writing skills: Sketching is an art form with hands as the medium, and the observed information needs to be accurately expressed through hand movements. Learning sketch can exercise the fine operation ability of hands and improve the coordination ability of hands and eyes.

3. Cultivation of spatial imagination: Sketch should reproduce in two dimensions from three-dimensional object shape and spatial relationship, which requires cultivation of spatial imagination. By practicing sketching, we can gradually improve the spatial perception and structural understanding of objects and cultivate imagination and creativity.

4. Cultivation of observation and concentration: Sketch needs careful observation and analysis of details, so it can help cultivate your observation and concentration. In the process of practicing sketching, you need to concentrate, observe and describe patiently, which can also help you improve your concentration and patience.