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Ch 3 Forms of Energy
Ch 3. Forms of Energy Vocabulary - Nissa's work Test on Nov 8, 2019
Question | Answer |
---|---|
energy | The ability to cause motion or create change. |
kinetic energy | Energy of motion. |
potential energy | Energy that is stored in an object (energy of position). |
magnetism | Force that acts on moving electric charges and magnetic materials. |
friction | The force that results when two materials rub against each other or when their contact prevents sliding. |
force | A push or a pull that acts on an object. |
gravity | The force of attraction between any two objects. |
conduction | The transfer of heat that occurs when one thing touches another. |
convection | The transfer of thermal energy as matter (air or liquid) moves and makes a current. |
radiation | Energy that is sent out in waves from a heat source. |
refraction | The bending of light when it passes into a medium (solid, liquid, or gas). |
reflection | Occurs when light rays bounce off a surface. |
absorption | Occurs when an object takes in light waves. |