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Energy Notes
The ability to do work is known
as ENERGY
Forms of Energy• Kinetic- Energy of Motion• All moving objects have kinetic
energyEx: Walking, running, a moving car
• Potential- Energy of position or shape, stored energy.
Ex: Standing still, soccer ball sitting in the grass
• Thermal Energy- The total energy of the molecules in an object.• At higher temps molecules move
faster.Ex: Ice, water , steam
• Chemical Energy- Stored in a substance that can be released when the substance reacts.
Ex: Burning wood, digesting food
• Electrical Energy- Flow of electricity; energy of moving electrons.• Electrons are negatively charged
particles and move back and forth in the wires.
Ex: Computer , washer, T.V.
• Sound Energy- Caused by the vibrations in an object.
Ex: Guitar, radio
Light Energy - Caused by the vibrations of electrically charged particles.
Examples: Microwave,Lamp
• Nuclear Energy – Is caused by changes in the nucleus of an atom.
Ex: Sun, atomic bomb, uranium