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# Energy Unit Test

### Use to help study for your Energy Unit Test

Joules The measure of work and energy.
Potential Energy the energy that results from the position or shape of an object
Elastic Potential Energy the energy created by something that is being compressed or stretched. Like a rubber band being stretched.
Kinetic Energy the energy an object has due to its motion. Mass and speed will affect this energy.
Law of Energy Conservation energy can neither be created nor destroyed, it can only be changed from one form to another
What energy transformation occurs when you rub your hands together? kinetic energy to thermal energy
What energy transformation occurs when a pendulum swings? Potential energy to Kinetic energy
Pendulum Is an example of how a ball can go from potential energy to kinetic energy.
Most Gravitational Potential Energy At the start of a fall.
Equal Gravitational Potential Energy In the middle of a fall.
Lest Gravitational Potential Energy At the end of a fall.
Celsius Boiling Point 100 degrees
Two factors of Thermal energy 1. The temperature of the object 2. The number of particles
Kelvin Scale This scale is used by scientist and has no negative numbers.
Thermal Energy will increase when.. there are more particles, so larger object will have more thermal energy.
Particle Speed Will increase when heat is increased.
Thermal Energy The total energy of all the particles in an object.
Convection The transfer of heat by the movement of currents with a fluid or air.
Radiation The transfer of energy by electromagnetic waves.
Convection Current Circular flow of warmer and cooler fluid or air.
Conduction The transfer of heat directly from on particle of matter to another without the movement of matter.
Warmer Heat is always transferred from _________________________ areas.
Conduction Example You go to grab a pot off the stove and burn yourself.
Insulator is a material that does not conduct heat well.
Specific Heat is the amount of energy it takes to raise the temperature of 1 kg of material 1 kelvin.
Thermal expansion is the expanding of matter when it is heated.
Conductor is a material that conducts heat well.
Energy Transformation A change from one form of energy to another. All energy can be transformed into another.
Heat The transfer of thermal energy from a warmer object to a cooler object
Temperature The measure of the average kinetic energy of the individual particles in an object.
Absolute Zero at this point, the particles in an object have no kinetic energy.
Created by: samir.ezzelarb