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science vocab
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 pull or pull exerted on an object |
kinetic energy | the farm 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 strectching or compressed objects |
gravitational potential energy | pontential energy that an object has as a result of its position |
radiant energy | energy that travels in waves (rays) |
energy conversion | a change from one form of energy to another |
law of conservation of energy | states that when one form of energy is converted to another |
photosynthesis | the process by which plants use water, carbon dioxide and energy form the su to make food |
fuel | a material that release energy when it burns |
fossil fuel | an energy-rich substance (such as coal, oil, or natural gas) formed form the remains of organisms |