Solids and Plasmas

Question 1

Which state of matter is characterized by ionized particles, no definite shape or volume, and good electrical conductivity?

Revolt · Accepted Answer

plasma

Question 2

What are thermal plasmas?

Revolt · Accepted Answer

plasmas that reach a temperature equal to their surroundings

Question 3

The repeating subunits that are responsible for the shape of a crystal are known as

Revolt · Accepted Answer

unit cells.

Question 4

A group of students are wandering around a room. When their teacher claps, the students sit down wherever they are.This situation best models the formation of which type of solid?

Revolt · Accepted Answer

an amorphous solid because the particles do not have a regular structure

Question 5

Keisha makes a table to compare plasmas and solids. PlasmaSolidKinetic energyX Density YWhich labels belong in the cells marked X and Y?

Revolt · Accepted Answer

X: HighY: High

Question 6

Which best explains why a crystal is incompressible?

Revolt · Accepted Answer

There is little, if any, space left between its adjacent molecules.

Question 7

Which description best characterizes the motion of particles in a solid?

Revolt · Accepted Answer

vibrating around fixed positions

Question 8

Which low-energy state of condensed matter is characterized by structural rigidity and resistance to changes of shape or volume?

Revolt · Accepted Answer

solid

Question 9

Which is an example of plasmas in nature?

Revolt · Accepted Answer

auroras

Question 10

Which reason best explains why plasmas are good conductors of electricity?

Revolt · Accepted Answer

They have mobile charged particles.

Solids and Plasmas Answers

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