Internal Energy (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is internal energy?
What is internal energy?
Energy stored by particles in a system
What two forms of energy make up internal energy?
What two forms of energy make up internal energy?
Kinetic and potential energy
What does the kinetic energy in internal energy relate to?
What does the kinetic energy in internal energy relate to?
Vibration of atoms
What does heating do to particles in a system?
What does heating do to particles in a system?
Increases their energy
What are the two possible effects of increasing internal energy?
What are the two possible effects of increasing internal energy?
Raises temperature or changes state
What is melting?
What is melting?
Solid to liquid
What is sublimation?
What is sublimation?
Solid to gas
What is condensation?
What is condensation?
Gas to liquid
What happens to mass during a change of state?
What happens to mass during a change of state?
Mass is conserved
Are changes of state reversible?
Are changes of state reversible?
Yes, they are reversible
Where does evaporation occur in a liquid?
Where does evaporation occur in a liquid?
Only on the surface
In evaporation, which particles turn into gas?
In evaporation, which particles turn into gas?
Surface particles with enough energy
