energy store and transfer

Question 1

what are the 7 energy stores

Answer 1

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

Question 2

2 examples of energy transfer

Answer 2

dropping object
gravitational+kinetic

releasing stretched object
elastic+kinetic

Question 3

4 ways of transferring energy

Answer 3

mechanically-makes something move
electrically-charges electric
heating-hotter objects transfer energy to cooler objects
light and sound-waves transfer energy between places

Question 4

moving a object through a distance requires energy to be transferred, what is the equation

Answer 4

E = F x d

Question 5

a machine that transfers a set amount of energy can either…

Answer 5

apply a larger force for shorter distance
apply a smaller force for longer distance

Question 6

what is conservation of energy

Answer 6

when energy cannot be created or destroyed, only transferred between stores

Question 7

since energy is never perfect energy is ________ usually by ________ its ________

Answer 7

wasted, heating, surroundings

Question 8

equation of wasted energy

Answer 8

total energy input=useful energy + wasted energy

Question 9

describe the energy in a saucepan

Answer 9

chemical, thermal, wasted thermal