Thermal Energy (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
In which direction does thermal energy naturally flow during heat transfer?
In which direction does thermal energy naturally flow during heat transfer?
From high to low temperature
Through which state of matter does conduction primarily transfer thermal energy?
Through which state of matter does conduction primarily transfer thermal energy?
Solids
What happens to particles in a solid when it is heated during conduction?
What happens to particles in a solid when it is heated during conduction?
They vibrate more vigorously
Why are metals excellent conductors of heat compared to non-metals?
Why are metals excellent conductors of heat compared to non-metals?
They have free electrons carrying energy
Through which types of matter does convection transfer heat?
Through which types of matter does convection transfer heat?
Liquids and gases
What happens to a fluid when it is heated?
What happens to a fluid when it is heated?
It expands and becomes less dense
What is created when warmer fluid rises and cooler fluid sinks?
What is created when warmer fluid rises and cooler fluid sinks?
A convection current
Which type of heat transfer can occur in a vacuum?
Which type of heat transfer can occur in a vacuum?
Radiation
How does temperature affect the amount of thermal radiation an object emits?
How does temperature affect the amount of thermal radiation an object emits?
Hotter objects emit more radiation
How does the Sun's thermal energy reach Earth?
How does the Sun's thermal energy reach Earth?
Through vacuum of space by radiation
Why is air a poor conductor of heat?
Why is air a poor conductor of heat?
Its particles are far apart
How does double glazing reduce heat transfer?
How does double glazing reduce heat transfer?
Traps air between two panes of glass