rd 3 Grade Science Ch. 4: Heat Vocabulary rd 3 Vocabulary in Grade Science Ch. 4 Friction Celsius Heat Insulator Thermal Energy Radiation Conduction Insulation Temperature Conductor Convection What do we call the measuring of how hot or cold something is? ___________________________ Temperature What do we call the metric scale for measuring temperature? ___________________ Celsius What do we call the movement of heat between objects that are touching each other? ______________________ Conduction What do we call material used to slow the movement of heat? ___________________ Insulation What do we call the form of energy that moves particles of matter? ______________________________ Thermal Energy What do we call the movement of thermal energy from hotter to cooler objects? ____________________________ Heat What do we call a force between two objects that slows the objects and produces heat? ______________________ Friction What do we call an object that doesn’t conduct heat well? ________________________ Insulator What do we call an object that heat can move through easily? _____________________ Conductor What do we call thermal energy that moves without touching anything? ___________________________ Radiation ___________________________ What do we call it when thermal energy from a heat source warms up the air molecules around it and the hot air rises because the molecules are less dense? The cold air around it is pushed out and down and a cycle or current begins to flow and transfer heat. ___________________ Convection ___________________