Question |
Answer |
the energy stored in a substance that can be released when the substance reacts |
chemical energy |
a method of charging an object that happens when electrons move from one object to another by direct contact |
conduction – electrical |
the transfer of energy from one substance to another through direct contact; can also occur within a substance |
conduction – thermal |
the transfer of energy by the movement of a liquid or gas |
convection |
the energy of moving electrons |
electrical energy |
the ability to do work |
energy |
a change from one form of energy into another; any form of energy can be converted into any other form of energy |
energy conversion |
a force that opposes motion between two surfaces that are touching |
friction |
the energy of motion that depends on speed and mass |
kinetic energy |
states that energy is neither created nor destroyed |
law of conservation of energy |
the sum of an object's kinetic and potential energy |
mechanical energy |
the form of energy associated with changes in the nucleus of an atom |
nuclear energy |
the energy of position or shape |
potential energy |
the transfer of energy through matter or space as waves |
radiation (radiant energy) |
the energy caused by an object's vibrations |
sound energy |
the total energy of the particles that make up an object |
thermal energy |
located between the visible spectrum wavelenghts and X-ray wavelengths |
ultraviolet light |
Machines use this kind of energy to do work. |
mechanical energy |
Radiant energy is also known as |
electromagnetic energy |
When coal is burned to boil water what type of energy conversion is completed? |
chemical energy to thermal energy |
At what point does a roller coaster have the greatest potential energy? |
at the top of the biggest hill |
What kind of energy it stored in a stretched rubber band? |
Potential energy |
In every conversion, some energy is always converted into ___________. |
thermal energy |
Explain the energy conversions that take place while using a hair dryer. |
electrical to mechanical to kinetic and sound electrical to thermal |
Explain the energy conversions that take place when grilling food using wood. |
chemical to thermal and light |
Name some places where chemical energy be stored. |
food, human body, wood, batteries, coal…. |
Microwaves use which type of energy to heat your food? |
Radiant energy (light energy) |
Mechanical energy is the sum of all __________ and __________ energy in an object. |
potential and kinetic |
Explain why you can not "lose" energy in terms of the law of conservation of energy. |
The law of conservation of energy says that energy can not be created nor destroyed but only transferred to something else. |