* Kinetic Energy: Temperature is a measure of the average kinetic energy of molecules. Kinetic energy is the energy of motion. So, as temperature rises, the molecules have more energy and move faster.
* Increased Vibration and Translation: This increased energy translates to:
* Increased Vibration: Molecules vibrate faster around their bonds.
* Increased Translation: Molecules move more freely, colliding with each other more frequently.
* Increased Diffusion: The increased movement leads to faster diffusion, meaning molecules spread out more quickly.
* Changes in State: As temperature continues to rise, the increased movement can cause a change in the state of matter:
* Solid to Liquid: At 0 degrees Celsius, water is a solid (ice). As temperature increases, the molecules gain enough energy to break free from their rigid structure and become a liquid (water).
* Liquid to Gas: At 100 degrees Celsius, water boils and becomes a gas (steam). The molecules have enough energy to overcome the forces holding them together as a liquid and escape into the air.
In summary: The movement of molecules increases dramatically as temperature rises from 0 to 100 degrees Celsius, leading to increased vibration, translation, diffusion, and ultimately, changes in the state of matter.