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Chapter 15 Vocab
Physical Science
Term | Definition |
---|---|
Energy | Ability to do work. |
Kinetic Energy | Energy of motion. |
Potential Energy | Energy that is stored up as a result of a position or shape. |
Gravitational Potential Energy | Potential energy that depends upon an object's height. |
Elastic Potential Energy | The potential energy of an object that is stretched or compressed. |
Mechanical Energy | Energy associated with the motion and position of everyday objects. |
Thermal Energy | Total potential and kinetic energy of all the microscopic particles in an object. |
Chemical Energy | Energy stored in chemical bonds. |
Electrical Energy | Energy associated with electric charges. |
Electromagnetic Energy | Form of energy that travels through space in the form of waves. |
Nuclear Energy | Energy stored in atomic nuclei. |
Energy Conservation | The process of changing energy from one form to another. |
Nonrenewable Energy Resources | Exist in limited quantities and, once used, cannot be replaces except over the course of millions of years. |
Fossil Fuels | Oil, natural gas and coal. |
Renewable Energy Resources | Resources that can be replaced in a relatively short period of time. |
Hydroelectric Energy | Energy obtained from flowing water. |
Solar Energy | Sunlight that is converted into usable energy. |
Geothermal Energy | Thermal energy beneath the Earth's surface. |
Biomass Energy | Chemical energy stored in living things. |
Hydrogen Fuel Cell | Generates electricity by reacting hydrogen with oxygen |
Energy Conservation | Finding ways to use less energy or to use energy more efficiently. |