energy stores

Question 1

describe the relationship between kinetic and gravitational energy

Answer 1

-as an object falls, energy is transferred from its gravitational potential energy store to its kinetic store
-as an object rises, energy is transferred from its kinetic energy store to its gravitational potential store

Question 2

conservation of energy

Answer 2

energy can neither be created nor destroyed

Question 3

name the 8 energy stores

Answer 3

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

Question 4

name the 5 energy pathways

Answer 4

-mechanical
-heating
-radiation (infrared)
-electrical
-light/sound waves

Question 5

open vs closed system

Answer 5

-open system can gain or lose energy to the outside world
-closed system can’t gain or lose energy to the outside world

Question 6

energy transfer when burning fuel

Answer 6

-chemical store of fuel transferred to thermal store of surroundings

Question 7

how is energy transferred away from a light bulb?

Answer 7

-light waves
-heating

Question 8

system

Answer 8

an object/group of objects