click below
click below
Normal Size Small Size show me how
Chapter 15 vocab
Question | Answer |
---|---|
Energy | The ability to do work |
Kinetic Energy | The energy an object has due to its motion |
Gravitational potential engergy | Potential energy that depends upon an object's height above a reference point |
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 particles in an object |
Chemical energy | The energy stored in chemical bonds |
Electrical energy | The energy associated with electrical charges |
Electromagnetic energy | A form of energy consisting of changing electric and magnetic fields |
Nuclear energy | The energy stored in atomic nuclei |
Energy conversion | The process of changing one form of energy to another |
Nonrenewable energy resources | A source of energy that exists in limited quantities and, once used, can not be replaced except over the course of millions of years |
Fossil fuels | Rich deposits of hydrocarbon mixtures that formed from the remains of organisms |
renewable energy resources | A source of energy that can be replaced a relatively short period of time |
Hydroelectric energy | The 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 | The chemical energy stored in living things |
Hydrogen fuel cell | A cell that generates electricity from a controlled reaction between hydrogen and oxygen |
Energy conservation | The practice of finding ways to use less energy or to use energy more efficiently |