Monster Mediums- Chalk

Let me introduce you to Paisley. Paisley is a scientist. She spends all of her time thinking. She thinks about space, she thinks about our environment, she thinks about how to make things better in our world. Her brain is always working on something. She only stands 2 beat, 4 inches tall but her big personality makes up for her lack of height. Even though her brain is always thinking about science, her humor is amazing. You can't help but smile when you're in the room with paisley. She is known for her quick witted nests and creative jokes.

Can you guess what medium Paisley is?