energy transfer

Question 1

what are the forms of stored energy?

Answer 1

gravitational potential, elastic potential and chemical

Question 2

what is the conservation of energy principle?

Answer 2

energy can be transferred usefully from one form to another, stored or dissipated- but it can never be created or destroyed

Question 3

when is energy useful?

Answer 3

when it can be converted from one form to another

Question 4

what is the energy transfer system in electrical devices such as televisions?

Answer 4

electrical energy➡️light, sound and heat energy

Question 5

what is the energy transfer system in batteries?

Answer 5

chemical energy➡️electrical and heat energy

Question 6

what is the energy transfer system in wind turbines?

Answer 6

kinetic energy➡️electrical and heat energy

Question 7

what is the energy transfer system in firing a bow and arrow?

Answer 7

elastic potential energy➡️kinetic and heat energy

Question 8

what are the types of energy?

Answer 8

electrical, light, sound, kinetic, nuclear, heat, gravitational potential, elastic potential and chemical