Here's why:

* No definite shape or volume: Plasma takes the shape of its container, just like a gas. It can expand or contract depending on its environment.

* Conducts an electric current: Plasma is a highly ionized gas, meaning it contains free electrons and ions. These charged particles can easily move, allowing plasma to conduct electricity very effectively.

Examples of plasma:

* Lightning

* The sun

* Fluorescent lights

* Neon signs

Let me know if you'd like to learn more about plasma!