Chapter 40- Heat Flashcards
What is heat measured in?
Joule (J)
What is a common effect of heat?
It causes substances to expand
What happens to liquids when they contract?
They cool down
What is conduction?
Conduction is the method by which heat travels from particle to particle through a solid, e.g. Metal spoon
What is an insulator?
An insulator is a substance which does not allow heat to flow through it easily.
What is a good insulator for heat?
Gases
What is convection?
Convection is the transfer of heat through a liquid or gas when the particles of the liquid or gas move and carry the heat with them.
What is radiation?
Radiation is the rapid transfer of heat from a hot object without needing a medium.
What is heat?
Heat is a form of energy. It has the ability to do work or move something.
