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Which of the following are examples of plasmas?

A
ice cubes
B
stars
C
a gas fire
D
auroras
E
a neon sign
F
a flashlight
2
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How would you describe the kinetic energy of the particles in a solid?

A
low kinetic energy
B
high kinetic energy
C
same kinetic energy as a plasma
D
varying kinetic energy
3

Suppose you were given a substance and asked to determine whether it was a plasma. What characteristics would be true of the substance for it to be a plasma? Check all that apply.

A
The particles in the substance would collide more often.
B
The particles in the substance would have high kinetic energy.
C
The particles in the substance would be close to each other.
D
The substance would have a fixed shape and volume.
E
The substance would be composed of ionized particles.

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