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| Energy is the ability to do work |
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| Energy that is stored as a result of position or shape |
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| Gravitational Potential Energy |
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Definition
| Potential energy that depends upon an object's height |
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| Potential energy of an object that is streched or compressed |
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Definition
Energy associated with the motion and position of everyday objects
Ex. speeding train |
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The total potential energy and kinetic energy of all the microscopic particles in an object
ex. anything that heats up to give off light |
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Energy stored in chemical bonds
Ex. burning gas |
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Energy associated with electrical charges
Ex. lamp |
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Form of energy that travels though space in a form of waves
Ex. X-Rays |
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Energy stored in atomic nuclei
Ex. nuclear power plants |
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| Process of changing energy from one form to another |
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| Nonrenewable Energy Resouces |
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Definition
| Exist in limited quantities and, once used, cannot be replaced except over the course of millions of years |
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Definition
formed underground by the remains of once-living organisms.
Ex. oil, natural gas, & coal |
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| Renewable Energy Resourses |
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Definition
resourses that can be replaced in a relativley short period of time
Ex. Hydroelectric, solar, & wind |
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| Energy obtained from flowing water |
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| Sunlight that is converted into usable energy is called solar energy |
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| Thermal energy (heat) beneath Earth's surface |
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| Chemical Energy stored in living things |
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Definition
| Generates electricity by reacting hydrogen with oxygen |
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| Finding ways to use less energy or to use energy more efficiently |
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Term
| Work is the transfer of what? |
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Definition
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| The Kinetic energy of any moving object depends on what? |
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Definition
its mass and speed
KE=0.5(M)(V²) |
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| An object's gravitational potential energy depends on what? |
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Definition
its mass, height, and acceleration due to gravity
PE=MGH |
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| What are the major forms of energy? |
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Definition
| Mechanical, thermal, chemical, electical, electromagnetic, & nuclear |
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Definition
| converted from one form to another |
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| What does the law of conservation state? |
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Definition
| Energy cannot be created or destroyed |
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| The gravitational potential energy of an object is converted into what? |
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Definition
| The kinetic energy of motion as the object falls |
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| Einstein's equation shows what? |
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Definition
| That energy and mass are equivalent, and can be converted into each other |
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| Examples of nonrenewable resources? |
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Definition
| oil, natural gas, coal, & uranium |
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| Examples of renewable resourses? |
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Definition
| Hydroelectric, solar, geothermal, wind, biomass, (future) nuclear fusion |
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| How can energy resourses be conserved? |
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Definition
| By reducing our energy needs and by increasing the efficiency pf energy use |
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