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Kala Stevenson
Chapter 15 vocabulary
Term | Definition |
---|---|
energy | The ability to do work. |
kinetic energy | The energy of motion. |
potential energy | Energy that is stored 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 | The energy associated with the motion and position of everyday objects. |
thermal energy | The total potential and kinetic energy of all the microscopic particles in an object. |
chemical energy | The energy stored in chemical bonds. |
electrical energy | The energy associated with electric charges |
electromagnetic energy | A form of energy that travels through space in the form of waves. |
nuclear energy | The energy stored in atomic nuclei. |
energy conversion | The process of changing energy from one form to another. |
nonrenewable energy resourses | Exist in limited quantities and, once used, cannot be replaced except over the course of millions of years. |
fossil fuels | Oil, natural gas, and coal. Form underground from the remains of once-living organisms. |
renewable energy resourses | 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 unable energy. |
geothermal energy | A thermal energy beneath Earth's surface. |
biomass energy | The 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. |