Page 40 - Science Course 1 (Book 2)
P. 40
Mo8-L1b: What are Mechanical and Thermal Energy?
Sound Energy An object’s thermal energy is the sum of the kinetic
energy and the potential energy of the particles that
energy carried by sound waves. make up the object.
Thermal energy of an object increases when the
potential energy, the kinetic energy, or both increase
Radiant Energy
energy carried by an electromagnetic wave.
Example in liquid:
In this pot of water, notice how liquid with more
thermal every rise and particles with less thermal
energy fall.
Let’s Begin
Combined Kinetic Energy and Potential Energy
The sum of the potential energy and the kinetic energy in a system is mechanical energy
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