Energy Stores and Systems

Question 1

Energy is never _____ or _______. Only ever _______

Answer 1

created or destroyed, transferred

Question 2

Name 8 types of energy stores

Answer 2

Kinetic energy
Gravitational Potential energy
Nuclear energy
Chemical energy
Elastic energy
Thermal energy
Electrostatic energy
Magnetic energy

Question 3

In a closed system, the amount of energy contained always stays the _____. This is because why?

Answer 3

Same

It can not interact with energy outside of the system

Question 4

Mechanical work done

Answer 4

The amount of energy required to perform a task (such as moving an object)

Question 5

Electrical work done

Answer 5

The amount of energy required for current to overcome a resistance in the wires of the circuit