energy Flashcards
battery
a store of chemical energy that can be transferred into electrical energy
chemical energy
a form of stored energy found in food, fuel and batteries
electric current
flow of energy around a complete circuit
energy
comes in many different forms and is what is needed to amen things happen
fossil fuels
made form decay of the remains of animals and plants which dies millions of years ago
gravitational energy
energy stored in an object because of its height above the ground
joule
unit of energy
kinetic energy
movement energy
renewable energy
energy which are constantly being replaced and don’t get used up
thermal energy
the hotter something is the more thermal energy
wind energy
a renewable energy resource from the wind
wave power
a renewable energy from the motion of waves
What can energy not do
It can’t be made or destroyed it can only be transferred
What do Sankey diagrams show
The amount of energy transferred compared to energy put in
How can we keep a house insulated
Double glazed windows, draught excluders, underfloor insulation, loft insulation
