2. How does thermal energy transfer? a. Faster particles move past other particles. b. Slower particles bump into faster particles, slowing them down. c. Particles vibrating at a higher speed bump into those next to them. d. The colder particles move.

## Step 1<br />Thermal energy transfer, also known as heat transfer, is the process of heat movement from a warmer object to a cooler one. This process is governed by the second law of thermodynamics, which states that heat will always flow from a hotter object to a cooler one.<br /><br />## Step 2<br />The transfer of thermal energy is facilitated by the movement of particles. In a warmer object, the particles are moving faster and vibrating at a higher speed. These particles bump into the particles in the cooler object, transferring their energy.<br /><br />## Step 3<br />The transfer of thermal energy continues until the temperatures of the two objects equalize. This is because the second law of thermodynamics also states that heat will flow from a hotter object to a cooler one until the temperatures are equal.