* Heat is energy: Heat is a form of energy that causes particles to move.
* Conduction: Conduction happens when heat is transferred through direct contact between substances.
* Vibrations: When a hotter object touches a cooler object, the hotter object's molecules have more energy and are vibrating faster.
* Energy transfer: This increased vibration is transferred to the cooler object's molecules through collisions. The cooler object's molecules begin to vibrate faster, increasing their own kinetic energy.
* Temperature change: As the cooler object's molecules vibrate faster, its temperature rises.
Think of it like this: Imagine a line of people holding hands. If someone at the front of the line starts shaking their hand quickly, that shaking will travel down the line, causing everyone else to shake their hand faster. In the same way, the faster vibrations of the hotter object's molecules transfer to the cooler object, causing its molecules to vibrate faster.
Important note: The rate of conduction depends on the material's ability to transfer energy. Metals are good conductors because their electrons are free to move and transfer energy easily. Insulators like wood or plastic are poor conductors because their electrons are tightly bound and transfer energy less effectively.