Conservation of energy (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
According to the Conservation of Energy principle, what cannot happen to energy?
According to the Conservation of Energy principle, what cannot happen to energy?
It cannot be created or destroyed
What is a system?
What is a system?
A group of things considered as a whole
What happens to the total energy inside a system?
What happens to the total energy inside a system?
It always stays the same
What is a closed system?
What is a closed system?
A system where no energy enters or leaves
How can you make a system closed?
How can you make a system closed?
By including more objects in it
Why is a pan of water being heated NOT a closed system?
Why is a pan of water being heated NOT a closed system?
Energy from surroundings enters the water
When you throw a ball upwards, which energy store does it initially have?
When you throw a ball upwards, which energy store does it initially have?
Kinetic energy store
As a ball rises after being thrown upwards, which energy store does energy transfer to?
As a ball rises after being thrown upwards, which energy store does energy transfer to?
Gravitational potential energy store
What is mechanical energy transfer?
What is mechanical energy transfer?
When a force moves an object
What is electrical energy transfer?
What is electrical energy transfer?
Energy transferred through electric currents
What is heating as a method of energy transfer?
What is heating as a method of energy transfer?
Energy moves from hot to cooler
What is radiation as a method of energy transfer?
What is radiation as a method of energy transfer?
Energy transferred by light or sound waves