How do charcoal pencils differ from traditional graphite pencils?

Charcoal pencils differ from traditional graphite pencils primarily because they use compressed charcoal for the core. This composition allows charcoal pencils to create different textures and a range of darker values that are distinct from the more reflective properties of graphite. Charcoal has a matte finish and can produce rich blacks and deep shadows, making it ideal for sketching and expressive artwork.

In contrast to graphite pencils, which are made from a mixture of graphite and clay, charcoal pencils can achieve softer lines and a more varied tonal quality. This distinction in material directly influences the techniques and effects that artists can achieve with each type of pencil. Additionally, charcoal pencils often smudge more easily than graphite, allowing for blending and shading techniques unique to charcoal drawing.

The other choices do not accurately describe the fundamental differences between these two types of drawing tools. For instance, saying they are made from graphite only overlooks the unique composition of charcoal pencils. Similarly, the notion that they produce brighter colors isn't accurate; charcoal tends to offer a range of grays and deep blacks rather than vibrant colors. Lastly, while many charcoal pencils do have wooden casings, this feature is not what fundamentally sets them apart from graphite pencils in terms of their artistic application or core material.