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33 Cards in this Set
- Front
- Back
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Energy
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Ability to do work
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Potential energy
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Energy that is stored and held in readiness
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Kinetic energy
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Energy of motion
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Mechanical energy
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Kinetic or potential energy associated with the motion or position of an object
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Electrical energy
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The energy of electric charges; Energy caused by the movement of electrons.
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Thermal energy
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Heat energy; Energy due to temperature.
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Sound energy
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energy carried by sound waves; Energy caused by an object's vibrations
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Chemical energy
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A form of potential energy that is stored in chemical bonds between atoms.
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Nuclear energy
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Energy stored in the nucleus of an atom
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Law of Conservation of Energy
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Matter is not created nor destroyed in any chemical or physical change
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Energy Transfer
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Movement of energy from one place or object to another
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gravitational potential energy
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stored energy, the energy an object has because of its position
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Thermal Energy
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The faster the particles move in an object, the more _____ energy the object has.
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Electrical Energy
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particles traveling through a wire to create an electric current is ____ energy.
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Chemical (potential) Energy
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The energy in food and fuel and cells
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Sound Energy
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The energy from a vibrating object
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Light Energy
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a reflection/ scattering or from a luminous source
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The amount of kinetic energy an object has depends on what two things?
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the object's mass and speed
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Energy Transformation
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Takes place when energy changes from one form into another form.
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Strain energy/elastic potential energy
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energy from anything stretched or wound up
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Conduction
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Energy transferred as heat through a material an example is hot sand burning your feet
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Convection
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Energy transferred by the movement of matter usually through a gas or liquid in a circular motion an example boiling water on the stove
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Radiation
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Energy transferred as electromagnetic waves an example the sun warming the grass or warming your hands by the fire
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Electromagnetic Energy
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Energy that is transmitted as an electromagnetic wave, an example is visible light, x-rays, radiowaves, and microwaves.
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Fossil fuels
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Energy resources that are made from carbon rich plant or animal remains such as natural gas, coal, and petroleum.
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Renewable Energy Resource
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An energy source that can be replaced easily by nature such as wind, tress, sunlight.
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Nonrenewable Energy Resource
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An energy source that is used up more quickly then it can be reproduced by nature such as coal, petroleum and natural gas.
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Alternative Energy Source
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Solar Energy, Nuclear Energy, Hydroelectric Energy, Wind Energy, Geothermal Energy and Energy from Burning Biomass.
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Acid Rain
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Pollution caused by the use of fossil fuels that cause trees and aquatic life to be harmed also erodes away limestone and marble.
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Kinetic Theory of Matter
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All of the particles that make up matter are constantly in motion. The faster the particles move the more kinetic energy they have.
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How people use energy
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Heating and cooling a home, produce products in a factory, prepare food, transportation.
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When Kinetic Energy increases
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Particle movement increases and temperature increases
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When Kinetic Energy decreases
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Particle movement decreases and temperature decreases
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