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Date : Wednesday, April 7, 2010
Time : 9:30 AM
Title :
Time : 9:30 AM
Title :
THERMAL ENERGY
A pot of boiling water has more thermal energy than an ice cube.
Inside every object or substance are tiny particles (molecules). These particles are always moving. In cooler substances, the particles are moving slowly. In hotter substances, the particles move much 
faster
faster
Thermal energy is the energy created by moving particles inside a substance.
more movement of particles = more thermal energy
therefore...
more movement of particles = more thermal energy
therefore...
A pot of boiling water has more thermal energy than an ice cube.
Remember the pot of boiling water? How did the water get so hot? First, it's important to know that thermal energy is transferred when two objects touch each other. Here's how it worked for the water:
1. The metal pot touched the hot stove.
2. The thermal energy from the stove transferred to the pot making its particles move faster.
3. The thermal energy from the pot transferred to the water making its particles move faster.
4. Eventually, the particles in the water moved so fast that the water began to boil.
1. The metal pot touched the hot stove.
2. The thermal energy from the stove transferred to the pot making its particles move faster.
3. The thermal energy from the pot transferred to the water making its particles move faster.
4. Eventually, the particles in the water moved so fast that the water began to boil.