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24 Cards in this Set
- Front
- Back
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define energy |
the ability to do work or cause change |
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define work |
the transfer of energy |
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define power |
the rate at which work is done or the amount of work done in a unit of time |
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what is the name for energy that is stored or related to shape and position? |
Potential energy |
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when does and object have maximum kinetic energy? |
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what type of energy is associated with objects that can be stretched or compressed? |
elastic potential energy |
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what would determine an objects maximum gravitational potential energy? |
height, more height, more potential energy |
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what is mechanical energy, and is it kinetic or potential? |
the type if energy associated with motion and position, it is both kinetic and potential |
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which energies are associated with particles of objects? |
thermal, chemical, electrical, electromagnetic, and nuclear energies |
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what is the total kinetic and potential energy of particles in an object? |
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what is the energy of moving electrical charges? |
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describe what electromagnet energy is |
electromagnet energy is the result from the motion of particles within atoms that make up matter, and travels through space in the form of waves |
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what is the potential energy stored in the core of an atom called, and how does it get there? |
nuclear energy, |
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which types of energy can you find in your body? |
thermal and chemical energies |
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where does the sun's energy come from? |
nuclear fission |
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what is energy transformation? |
the change from one form of energy to another |
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where does the energy from fossil fuels come from and how does it get there? |
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how does a light bulb work? |
it converts electrical energy into electromagnet energy
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what does the law of conservation of energy state? |
when one form of energy is converted to another, no energy is created or destroyed in the process |
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what does friction do to the energy of an object? |
friction transforms mechanical energy of the object into thermal energy |
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define fossil fuel |
materials that are burned to release their chemical energy |
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give 3 examples of fossil fuels |
coal, petroleum, and natural gas |
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how is the energy of fossil fuels released? |
by burning it |
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how do we represent 1000 of our SI units? |
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