Energy 1 *

Question 1

What are the 8 main types of energy stores?

Answer 1

magnetic, thermal, chemical, kinetic, electrostatic, elastic potential, gravitational potential, nuclear

Question 2

What are the 4 energy transfers?

Answer 2

mechanical (force moving object through distance)
electrical (charges moving due to potential difference)
by heating (due to temp difference)
by radiation (transferred as a wave)

Question 3

What are the 2 types of energy flow diagram?

Answer 3

transfer diagram (boxes showing stores and arrows showing transfers)
sankey diagram (arrows showing how much energy is transferred and stored)

Question 4

What is the rule for conservation of energy?

Answer 4

energy can’t be created or destroyed, only transferred or stored

Question 5

How do you calculate the change in gravitational potential energy?

Answer 5

mass x gravitational field strength x change in height

Question 6

How do you calculate kinetic energy?

Answer 6

1/2 x mass x velocity(squared)