Question

A student shakes a tube containing small balls to model the movement of particles in a gas. 1

(a) Why is this a good model for the movement of particles in a gas?
Pick 2 answers
The balls move slowly.
The balls are far apart from each other.
The balls are different colours.
The balls move randomly

Answer 1

The balls move randomly.

Because gas molecules are known for their movement and the above statement says “to model the movement”