Understanding Plasma: The Fourth State of Matter

Which state of matter is the most prevalent in our solar system?

• Solid

• Liquid

• Gas

• Plasma

What is plasma best described as?

• A solid with high energy

• A liquid with low density

• A dense gas

• An ionized gas

What happens to neon atoms when high voltage is applied?

• They become solid

• They lose electrons and become ions

• They turn into liquid

• They gain electrons and become neutral

Why can plasma conduct electricity?

• Because it is a solid

• Due to its high density

• Due to the presence of free-moving ions and electrons

• Because it is a liquid

Which of the following is an example of plasma in everyday life?

• Neon signs

• Water vapor

• Sand

• Ice cubes