Question
1 Which forms of energy are stores and which are transfers?
Make two lists.
Answers
Answer:
Forms of energy:
•Stores of energy
•kinetic energy.
•internal energy.
•elastic potential energy.
•gravitational potential energy.
•electrical energy.
•magnetic energy.
Answer:
All moving things have kinetic energy, even very large things like planets, and very small ones like atoms. The amount of kinetic energy an object has depends upon:
the mass of the object
the speed of the object
Some objects can change shape reversibly. Rubber balls, springs and elastic bands are like this. When a rubber ball is stretched or squashed, it can regain its shape again. Elastic potential energy is stored in stretched or squashed materials.
When an object is moved higher, it gains gravitational potential energy. The amount of gravitational potential energy it gains depends upon:
the mass of the object
the extra height it gains
the gravitational field strength