Internal Energy & Energy Transfers (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is internal energy?
What is internal energy?
Energy stored by particles in a system
Which two forms does internal energy take?
Which two forms does internal energy take?
Kinetic and potential energy
What happens to particles when a system is heated?
What happens to particles when a system is heated?
Their energy increases
What are the two possible outcomes when internal energy increases?
What are the two possible outcomes when internal energy increases?
Temperature rise or change of state
What is the process called when a solid changes to a liquid?
What is the process called when a solid changes to a liquid?
Melting
What is the process called when a liquid changes to a solid?
What is the process called when a liquid changes to a solid?
Freezing
What is the process called when a liquid changes to a gas?
What is the process called when a liquid changes to a gas?
Boiling
What is the process called when a gas changes to a liquid?
What is the process called when a gas changes to a liquid?
Condensation
What is the process called when a solid changes directly to a gas?
What is the process called when a solid changes directly to a gas?
Sublimation
What happens to mass during changes of state?
What happens to mass during changes of state?
Mass is conserved
Are changes of state reversible or irreversible?
Are changes of state reversible or irreversible?
Reversible
Where does evaporation occur in a liquid?
Where does evaporation occur in a liquid?
Only on the surface of the liquid