Tools/raw materials: paper, pens, pigments.

First, we draw a golden hat with a dome, and then we draw hair. The texture and lines of hair should be detailed, and the face should be drawn.

Then draw Jin's facial features, big eyes and smiling mouth. Draw a golden upper body and pay attention to the details of the hat.

Continue to draw his hands, his hands are open, his lower body is wearing shorts, his legs are slender, and he pays attention to drawing shoes. A simple figure line drawing is completed!

Now let's start coloring. Let's paint Kim's hat black and white, his hair golden and his face and body blue.

Then paint his clothes black, his gloves black and his shoes light gray, and the simple gold bar map of the concave-convex world is completed!

Gold (Aurum) is a metallic element with the symbol of Au and the atomic number of 79.

The simple substance (free form) of gold, commonly known as gold, is a precious metal, which has been used as currency, preservation and jewelry for many centuries. In nature, gold exists in the form of simple substance in gold nuggets or rocks, underground veins and alluvium.

Gold is also one of the currency metals. Gold is solid at room temperature, with high density, softness, brightness and corrosion resistance. It is the metal with the best ductility, second only to platinum.

Gold is a transition metal, which can form +3 and+1 valence compounds. Gold is chemically inactive, but it can be corroded by chlorine, fluorine, aqua regia and cyanide. Gold can be dissolved by mercury to form gold amalgam; Nitric acid that can dissolve silver cannot dissolve gold.

The above two properties become the basis of gold refining technology, which are called "adding silver to divide gold" and "separating gold from silver" respectively.