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UNIT 2
LESSON 2
Properties of Matter
Thermal Energy
Thermal Energy Quick Check

Rank the phases of matter from the one with the least kinetic energy to the greatest kinetic energy for the particles in the substance.

[tex]\[
\begin{array}{|c|c|}
\hline
\text{Least} & \text{solid} \\
\hline
\downarrow & \text{liquid} \\
\hline
\text{Greatest} & \text{gas} \\
\hline
\end{array}
\][/tex]

[tex]\[
\begin{array}{|c|c|}
\hline
\text{Least} & \text{gas} \\
\hline
\downarrow & \text{solid} \\
\hline
\text{Greatest} & \text{liquid} \\
\hline
\end{array}
\][/tex]

[tex]\[
\begin{array}{|c|c|}
\hline
\text{Least} & \text{solid} \\
\hline
\downarrow & \text{gas} \\
\hline
\text{Greatest} & \text{liquid} \\
\hline
\end{array}
\][/tex]



Answer :

GinnyAnswer
Alright, let's rank the phases of matter from the one with the least kinetic energy to the greatest kinetic energy for the particles in the substance.

To understand this better, let's break down the kinetic energy in different phases of matter:

1. Solids: In the solid phase, particles are tightly packed together and only vibrate in place. This restricted movement means that particles in a solid have the least kinetic energy.

2. Liquids: In the liquid phase, particles are not as tightly packed as in solids and can move past one another. This increased freedom allows particles to have more kinetic energy than in solids but less than in gases.

3. Gases: In the gaseous phase, particles are spread out and move freely and rapidly in all directions. This high level of movement means that particles in gases have the greatest kinetic energy.

Based on this understanding, the correct ranking from the phase with the least kinetic energy to the greatest kinetic energy is:

1. Solid
2. Liquid
3. Gas

Thus, the correct answer is:

[tex]\[ \begin{tabular}{|c|c|} \hline Least & solid \\ \hline$\downarrow$ & liquid \\ \hline Greatest & gas \\ \hline \end{tabular} \][/tex]

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