Ch 15 Flashcards
Scientists define_____ as the ability to cause a change in matter.
Energy
______ is the energy of motion.
Kinetic energy
______ is the energy an object has because of its condition or position.
Potential energy
______ is the movement of energy from one place or object to another.
Energy transfer
Energy that comes from the sun is called ______.
solar energy
______ is radiation we see, and heat is radiation we feel.
Light
The energy stored in fuel is ______.
chemical energy
______ is the combination of all the potential and kinetic energy that something has.
Mechanical energy
Electricity, or _______, is energy that comes from an electric current.
electric energy
______ is the transfer of thermal energy between objects with different temperatures.
Heat
A ______ is a set of parts acting together as a whole object.
system
The first is by _______, or the transfer of thermal energy from one object directly into another.
conduction
______ is the transfer of thermal energy through the movement of a gas or a liquid.
Convection
______ is the transfer of energy by waves that move through matter and space.
Radiation
______ occurs when heat or light bounces off an object.
Reflection
