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Energy
My Homework
Term | Definition |
---|---|
work | the product of force and distance when a force is used to move an object |
energy | the ability to do work or cause change |
force | a push or pull exerted on an object |
kinetic energy | the form of energy an object has because of its motion |
potential energy | energy that is stored and available to be used later |
elastic potential energy | the energy of stretching or compressed objects |
gravitational potential energy | potential energy that an object has as a result of its position |
radiant energy | energy that travels in waves |
energy conversion | the practice of reducing energy use |
law of conservation of energy | states that when one form of energy is converted to another, no energy is destroyed in the process |
photosynthesis | the process by which plants use water, carbon dioxide and energy from the sun to make food |
fuel | a material that releases energy when it burns |
fossil fuel | an energy-rich substance ( such as coal, oil, or natural gas) formed from the remains of organisms |