Energy Transfers and Systems

Question 1

What is a system?

Answer 1

A single object or a group of objects tha you’re interested in

Question 2

How can energy be transferred in relation to a system (3 ways)?

Answer 2

1) into/away from system
2) between different objects in system
3) between different types of energy stores

Question 3

What is efficiency?

Answer 3

The proportion of total energy supplied that ends up in useful energy stores.

Question 4

What are the 9 different types of energy stores?

Answer 4

1) Nuclear
2) Thermal/Heat
3) Light
4) Sound
5) Electrical
6) Gravitational Potential
7) Elastic Potential
8) Chemical
9) Kinetic