Question

Molecular motion is a measure of the movement of the molecules in a substance. Molecular motion is substantially different between the different states of matter. For example, the molecules in _______ move more than the molecules in _______.
A.
air, wood
B.
wood, soda
C.
wood, air
D.
soda, air

Answer 1

The correct answer is A. air, wood.

In this context, the molecules in air (a gas) move more freely and rapidly compared to the molecules in wood (a solid), which are more tightly packed and have limited movement.