P1 — Energy Flashcards
What is energy transferred between
Energy stores
What’s is transferred when a system changes
Energy
How can energy be transferred
By heat or doing work
What’s does movement mean
Energy is in the kinetic energy store
What store is the energy in in a raised object
Gravitational potential
Stretching can transfer energy to what store
Elastic potential
Different materials have what capacity
Specific heat
What can never happen to energy
It can never be destroyed or created
What is power
The rate of doing work
What forces does lubrication reduce
Frictional
How can heating occur
By conduction and convection
What does insulation reduce
The rate of energy transfer by heating
What does most energy transfer involve
Some waste energy
What happens to non-renewable energy resources
They will run out
What happens to renewable energy resources
They never run out
What can energy resources be used for
Transport and heating
How do we get wind power
By using lots of wind turbines
How do we get solar energy
Using solar panels
How do we get geothermal energy
Taking radioactive elements from a volcano site
How do we get hydroelectric power
Constructing dams