P1 - Energy [1] Flashcards
Name all energy stores (8)
Nuclear, thermal, kinetic, elastic potential, gravitational potential, chemical, magnetic and electrostatic
Work done also means
Energy transferred
What can energy do
Dissipated or transferred
What can energy don’t do
Be created or destroyed
When a system changes
Energy is transfered
What happens to the energy in a closed system?
Stays the same because it can’t enter or leave
Give an example of energy dissipating
When a car stops and kinetic energy is transferred to thermal energy when the tires make fiction
What is kinetic energy?
Anything moving?
When an energy increase in height, what happens to the gravitational field strength?
It increases
What is a renewable energy source?
An energy resource that won’t run out
What is a nonrenewable energy resource?
An energy resource that will run out
List all seven renewable energy resources
The Sun, wind, water waves hydroelectricity, biofuel, tides, and geothermal
Name three main fossil fuels
Coal, oil and natural gas
What is another name for a nonrenewable energy resource?
A finite resource
How does wind generate electricity?
By using turbines