Do you want to say that they are different states of matter?

The other two states of matter are gas and liquid.

They can be in two different phases or states of matter.

"There are basically three states of matter," he had said.

These special materials also qualify as different states of matter.

We are just studying chemistry and the states of matter.

We know the three states of matter are solid, liquid and gas.

Plasma is the most common state of matter in the universe.

Species, then, are real, even if they do not represent different stable states of matter.

That is because the reaction changes the state of matter from solid to gas.

As you see, life has unlimited duration in our present state of matter.

A gas is one of the four most common states of matter.

I would start by saying one big difference between states of matter is how energetic the atoms are.

Distinct phases may also exist within a given state of matter.

What did you feel when you described the new state of matter for helium-3?

Attractive forces also exist between the gas phase and the other two states of matter.

Until the eighteenth century, gas was not recognized as a separate state of matter.

First, realize you have asked about which state of matter transmits sound "best".

Therefore they would not have phase transitions as one sees in the states of matter.

Be aware that there are other states of matter.

A state of matter is also characterized by phase transitions.

Is such really the state of matters between you and Rivers?"

It is distinct from these and other lower-energy states of matter.

Now however the concept of a "state of matter" needs to be more general.

The term phase is sometimes used as a synonym for state of matter.