Plasma

1. Similar to gases

1.1. Electrons differ

1.1.1. in Gas, Electrons are bound to nucleus

1.1.2. In Plasma, Electrons are free to move within the system.

1.2. Neither Definite volume nor Definite shape

2. Different from gases

2.1. Positively and negatively Charged species

2.2. HIghly Ionized, equal # of positively and negatively charge particles......neutral

2.3. affected by electric and magnetic fields

2.4. creat their own electric and magnetic fields

2.4.1. Through charge concentrations

2.4.2. motion of particles

2.4.3. These forces act over long distances

2.5. conducts electricity

3. Examples

3.1. Neon lights (neon Gas)

3.2. Northern Lights

3.3. Noble Gases

3.4. Fluorescent light bulbs

3.4.1. electricity excites the atoms and removes the electrons

3.5. Stars

3.6. Lightening

3.7. electric sparks

4. Energy

4.1. very High Kinetic energy

5. random

5.1. 99% of the universe is plasma

5.2. Star plasma is extremely hot, several thousand to several million °C

6. Definition

6.1. "Plasma is loosely described as an electrically neutral medium of unbound positive and negative particles"