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Energy Power- point

Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

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Page 1: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Energy Power-point

Page 2: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Energy• The ability of a system to perform work. It can be transferred

and converted, but not created or destroyed.

Page 3: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Types of EnergyA) Potential: Stored energyB) Kinetic: Energy of movement. How much kinetic energy a

body has depends on its speed and mass.

Page 4: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Energy Forms (MR. CHEN)Energy Types Kinetic Potential Definition Example

Page 5: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed
Page 6: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Gravitational Potential Energy• The energy a body has because it is near something with

mass. The amount of energy is related to an objects height.

Gravitational Energy = Weight X Height

Page 7: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Mechanical Energy (Kinetic)

• The energy due to motion.

Page 8: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Elastic Potential Energy• Energy stored when something is stretched or compressed.

This is present in a pulled rubber band, or a squashed spring.

Page 9: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Chemical Energy (Potential)• Energy a body has because of what it is made. The energy is

stored in the chemical bonds of molecules. This is present in an electrical cell, explosives, food and oil.

• Examples: Respiration: C6H12O6+ 6O2----------> 6H2O + 6CO2

(Happens in Mitochondria)Photosynthesis: 6H2O + 6CO2 ----------> C6H12O6+ 6O2

Page 10: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Nuclear Energy (Potential):• Energy stored in the nucleus of atoms that can be released

during fission, fusion or radioactive decay.

Page 11: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Heat or Thermal Energy (Kinetic)

• Energy from the movement of atoms. Energy is transferred from hot regions, to cool regions because of the temperature difference between them.

Page 12: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Electrical Energy (Kinetic)• This is really just the kinetic energy of moving charges

(electrons) in an electrical circuit.

http://www.gcse.com/circ.htm
Page 13: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Electromagnetic Radiation (Kinetic)

• Energy is carried by electromagnetic radiation, such as light or gamma rays.

http://www.gcse.com/waves/emspectrum.htm
Page 14: Energy Power-point. Energy The ability of a system to perform work. It can be transferred and converted, but not created or destroyed

Law of Conservation of Energy

• Energy cannot be created or destroyed.

http://phschool.com/webcodes10/index.cfm?wcprefix=cgp&wcsuffix=3053&area=view&x=17&y=13

http://phschool.com/webcodes10/index.cfm?wcprefix=cgp&wcsuffix=3053&area=view&x=17&y=13
http://phschool.com/webcodes10/index.cfm?wcprefix=cgp&wcsuffix=3053&area=view&x=17&y=13

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