Phase changes of water - Oakland Schools
Phase changes of water - Oakland Schools
Phase changes of water - Oakland Schools
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Conduction<br />
If you have ever left a silver spoon in very hot soup, you will notice that the whole<br />
spoon gets hot. Thermal energy is transferred from the hot end <strong>of</strong> the spoon through<br />
the entire length, its called conduction.<br />
• Particles <strong>of</strong>ten collide with each other. When this happens, energy is transferred<br />
from the faster (hotter) moving particle to the slower (cooler) moving particle. This<br />
makes the slower moving particles increase in speed.<br />
• When molecules in a substance are made to move faster, they get warmer. The<br />
warmer an object gets, the more kinetic energy and therefore, thermal energy it<br />
contains:<br />
o Kinetic energy is the energy <strong>of</strong> motion<br />
o Thermal energy is the total energy <strong>of</strong> the atoms.<br />
The Law <strong>of</strong> Conservation <strong>of</strong> Energy states that energy cannot be<br />
created or destroyed. Following this rule we assume no energy is lost<br />
in these collisions.<br />
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