At this point, you have learned that heat is the (1)________ of(2) ________ energy that is possessed by an object due to the motion of its particles. when this happens, an object’s (3)____________ changes from cool to warmer. there are three ways of heat transfer: (a) ____________, where heat is transferred between materials that are in direct contact with each other. while (b) ____________, occurs when heat is transferred by electromagnetic waves (through space). and lastly, (c) ____________ is transfer of heat in fluids which makes the hot fluids to rise and cold fluids to sink.