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Science Vocab Ch. 1

Using Energy and Heat; Lessons 1 - 3

TermDefinition
Energy Scientists define ... as the ability to cause change.
Potential Energy ... is stored energy due to the interaction between objects or particles.
Chemical Energy ... is the energy stored in and released from the bonds between atoms.
Nuclear Energy The energy stored in and released from the nucleus of an atom is called ...
Kinetic Energy If so, you have ...-energy due to motion.
Electric Energy The energy in an electric current is ...
Mechanical Energy The sum of the potential energy and the kinetic energy in a system is ...
Thermal Energy An object's ... is the sum of the kinetic energy and potential energy of the particles that make up the object.
Wave A ... is a disturbance that transfers energy from one place to another without transferring matter.
Sound Energy ... is energy carried by sound waves.
Radiant Energy The energy carried by electromagnetic waves is ...
Law of Conservation of Energy The ... says that energy can be transformed from one form to another, but it cannot be created or destroyed.
Energy Transfer When energy moves from one object to another without changing form, an ... occurs.
Energy Transformation When one form of energy is converted to another form of energy, an ... occurs.
Work To a scientist, ... is the transfer of energy that occurs when a force makes an object move in the direction of the force. Work is only being done while the force is acting on the object.
Open System An ..., such as a car engine, is a system that exchanges matter or energy with the environment.
Closed System A ... is a system that does not exchange matter or energy with the environment.
Renewable Energy Resource A ... is an energy resource that is replaced as fast as, or faster than, it is used.
Nonrenewable Energy Resource Fossil fuels and nuclear energy are ...-an energy resource that is available in limited amounts or that is used faster that it can be replaced in nature.
Temperature The measure of the average kinetic energy of the particles in a material is ...
Heat The movement of thermal energy from a region of higher temperature to a region of lower temperature is called ...
Conduction ... is the transfer of thermal energy by collisions between particles in matter.
Radiation The thermal energy you feel is from ...-the transfer of thermal energy by electromagnetic waves.
Convection The transfer of thermal energy by the movement of the particles from one part of a material to another is ...
Vaporization ... is the change of state from a liquid to a gas.
Thermal Conductor The metal that makes up the pan is a ..., a material in which thermal energy moves quickly.
Thermal Insulator The material that makes up the pan's handles is a ..., a material in which thermal energy moves slowly.
Created by: stemljos4017