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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 |