Final answer:
In the gas state, as a gas particle, you would constantly move in straight lines, collide with other particles or container walls in elastic collisions, and change direction. The average speed of gas particles is determined by the temperature of the gas.
Step-by-step explanation:
In the gas state, gas particles are in constant motion, moving in straight lines in random directions until they collide with other particles or the walls of the container. These collisions are elastic, meaning there is no net loss of energy. As a gas particle, you would experience numerous collisions and constantly change direction. The average speed of gas particles is dependent on the temperature of the gas, with higher temperatures corresponding to higher average speeds.