P1 Energy and conservation Flashcards
1
Q
Form of Energy
A
Magnetic Kenetic Thermal Light Gravitational potential Sound Elastic potential Nuclear Electrical Chemical potential
2
Q
What are the four pathways
A
Mechanical: when forces acting something moves
electrical: when current flows
by heating: because of the temperature difference
by radiation: A wave such as light microwave or sound
3
Q
How can we create energy
A
We can’t, Energy can’t be created nor destroyed
4
Q
Factors of energy loss
A
Friction, light, heat; sound
5
Q
What is an open system
A
Open system makes changes energy with the surrounding
6
Q
What is a closed system
A
A close system is a system will asume with no energy is lost its surrounding
