What is plasma?

What applications of plasma are possible?

• fusion energy reactors

• Cleaning surfaces, such as food surfaces of pathogens

• Improving the properties of material surfaces

• All of the above

How much of the universe is made of plasma?

• Almost none of it

• 31.415%

• 50%

• More than 99%

When gases are heated enough, what happens?

• Nothing in particular, they just have more energy in them

• The atoms and molecules break apart to form free electrons and ions

• They recombine to form molecules

• Vapor is formed that condenses into a liquid

What does a magnetic field do to a charged particle in a plasma?

• Forces the particles to undergo circular orbits

• It stops its motion

• The particle changes its charge

• Nothing. Charged particles do not respond to magnetic fields

Where do you find plasma in your everyday life?

• Lightning

• Some flat panel televisions

• Lightning systems, such as fluorescent and neon lights.

• All of the above