Essay
Essay unit 2- Energy and our Universe
- Institution
- PEARSON (PEARSON)
Type of energy Potential (e.g. Elastic, gravitational, chemical) Kinetic Light Sound Thermal Electrical
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1.Type of energy Description Observation of
transformation
Potential (e.g. Elastic, Energy that is stored but has Pen lifted off the ground (GPE)
gravitational, chemical) the potential to do work. into the air, then dropped
(kinetic).
Elastic band, pulled, then let
go.
Kinetic Anything that has the ability to Kicking a ball into the air, then
move. the ball moves (kinetic) and
must come back to the ground
(GPE).
Light Light is the full range of Nuclear energy created e.g. sun
electromagnetic spectrum: and then gives out light.
objects that give out light.
Sound Anything that is heard or Electrical energy converts to
vibrates. kinetic which makes speakers
vibrate which creates sound.
Thermal Transferred from somewhere Flame can heat up a pan full of
hot to somewhere cold water and the water will then
(temperature). boil.
Electrical Power given through a source, Flow of charge is passed
flow of charge. through into a light bulb to
give light energy and heat.
(Cogill et’al, 2010).
2.
Sankey Diagram
Electrical energy supplied to a computer
Thermal Energy 190J
Electrical 350J
Light energy 65J Sound Energy 95J
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