- When were pencils first used? - What is graphite?
- What is an HB pencil?
- What happens when the H# is increased?

Pencils have been used since the 16th century. Graphite is a mix of carbon and clay that is combined by being heated in an oven. An HB pencil is the basic pencil most people use for everyday tasks. When the H# is increased, there is less clay. This makes the texture harder and creates a very light sketch.

Where are the following

During the old kingdom (c 2686-c 2160 bce)